WestJet flights from Atlanta (ATL) to Seattle-Tacoma (SEA).

Ad box here 7322741189 I FlightInfo Top Box

FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 16:10 Atlanta (ATL) S 18:45 Seattle-Tacoma (SEA) WestJet WS 5406 Non-stop Airbus A321neo (32Q) 5:35 Effective 2026-02-28 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 11:15 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) WestJet WS 5438 Non-stop Boeing 757-300 (753) 5:29 Effective 2026-06-07 through 2026-06-25 Codeshare flight, operated by Delta Air Lines.(DL 648)
Mon,Tue,Thu,Sat 11:15 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) WestJet WS 5438 Non-stop Boeing 757-300 (753) 5:29 Effective 2026-06-27 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 648)
Mon,Tue,Thu,Sat 11:15 Atlanta (ATL) S 13:46 Seattle-Tacoma (SEA) WestJet WS 5438 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-07-07 through 2026-08-13 Codeshare flight, operated by Delta Air Lines.(DL 648)
Daily 11:15 Atlanta (ATL) S 13:46 Seattle-Tacoma (SEA) WestJet WS 5438 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-08-14 through 2026-09-09 Codeshare flight, operated by Delta Air Lines.(DL 648)
Fri,Sun 11:15 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) WestJet WS 5439 Non-stop Boeing 757-300 (753) 5:29 Effective 2026-07-03 through 2026-07-05 Codeshare flight, operated by Delta Air Lines.(DL 648)
Wed,Fri,Sun 11:15 Atlanta (ATL) S 13:46 Seattle-Tacoma (SEA) WestJet WS 5439 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-08-07 through 2026-08-12 Codeshare flight, operated by Delta Air Lines.(DL 648)
Wed,Fri,Sun 11:15 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) WestJet WS 5440 Non-stop Boeing 757-300 (753) 5:29 Effective 2026-06-26 through 2026-07-01 Codeshare flight, operated by Delta Air Lines.(DL 648)
Wed,Fri,Sun 11:15 Atlanta (ATL) S 13:46 Seattle-Tacoma (SEA) WestJet WS 5441 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-07-08 through 2026-08-05 Codeshare flight, operated by Delta Air Lines.(DL 648)
Mon 20:12 Atlanta (ATL) S 22:50 Seattle-Tacoma (SEA) WestJet WS 5512 Non-stop Boeing 737-900 (739) 5:38 Operates only on 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 714)
Mon-Sat 18:06 Atlanta (ATL) S 20:43 Seattle-Tacoma (SEA) WestJet WS 5531 Non-stop Boeing 737-900 (739) 5:37 Valid until 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 675)
Sun 18:18 Atlanta (ATL) S 20:55 Seattle-Tacoma (SEA) WestJet WS 5531 Non-stop Boeing 737-900 (739) 5:37 Operates only on 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 675)
Sat 16:10 Atlanta (ATL) S 18:45 Seattle-Tacoma (SEA) WestJet WS 5552 Non-stop Airbus A321neo (32Q) 5:35 Effective 2026-02-14 through 2026-02-21 Codeshare flight, operated by Delta Air Lines.(DL 481)
Sun 16:10 Atlanta (ATL) S 18:43 Seattle-Tacoma (SEA) WestJet WS 5552 Non-stop Boeing 737-900 (739) 5:33 Operates only on 2026-02-15 Codeshare flight, operated by Delta Air Lines.(DL 481)
Thu,Fri 16:10 Atlanta (ATL) S 18:43 Seattle-Tacoma (SEA) WestJet WS 5556 Non-stop Boeing 737-900 (739) 5:33 Effective 2026-02-12 through 2026-02-20 Codeshare flight, operated by Delta Air Lines.(DL 481)
Thu,Fri,Sun 16:10 Atlanta (ATL) S 18:43 Seattle-Tacoma (SEA) WestJet WS 5556 Non-stop Boeing 737-900 (739) 5:33 Effective 2026-02-22 through 2026-03-05 Codeshare flight, operated by Delta Air Lines.(DL 481)
Mon-Wed 16:10 Atlanta (ATL) S 18:43 Seattle-Tacoma (SEA) WestJet WS 5592 Non-stop Boeing 737-900 (739) 5:33 Effective 2026-02-16 through 2026-03-04 Codeshare flight, operated by Delta Air Lines.(DL 481)
Fri 16:10 Atlanta (ATL) S 18:43 Seattle-Tacoma (SEA) WestJet WS 5592 Non-stop Boeing 737-900 (739) 5:33 Operates only on 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 481)
Mon-Wed 16:29 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA) WestJet WS 5592 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 16:30 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA) WestJet WS 5592 Non-stop Boeing 737-900 (739) 5:30 Effective 2026-03-08 through 2026-03-14 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 16:30 Atlanta (ATL) S 19:02 Seattle-Tacoma (SEA) WestJet WS 5592 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-03-15 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 18:10 Atlanta (ATL) S 20:42 Seattle-Tacoma (SEA) WestJet WS 6418 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-04-13 through 2026-05-06 Codeshare flight, operated by Delta Air Lines.(DL 714)
Daily 18:10 Atlanta (ATL) S 20:46 Seattle-Tacoma (SEA) WestJet WS 6418 Non-stop Boeing 737-900 (739) 5:36 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 714)
Daily 20:12 Atlanta (ATL) S 22:50 Seattle-Tacoma (SEA) WestJet WS 6418 Non-stop Boeing 737-900 (739) 5:38 Effective 2026-01-06 through 2026-01-18 Codeshare flight, operated by Delta Air Lines.(DL 714)
Sat 20:12 Atlanta (ATL) S 22:52 Seattle-Tacoma (SEA) WestJet WS 6418 Non-stop Airbus A321neo (32Q) 5:40 Effective 2026-01-24 through 2026-02-07 Codeshare flight, operated by Delta Air Lines.(DL 714)
Mon-Fri,Sun 20:30 Atlanta (ATL) S 23:12 Seattle-Tacoma (SEA) WestJet WS 6418 Non-stop Airbus A321neo (32Q) 5:42 Effective 2026-02-12 through 2026-03-06 Codeshare flight, operated by Delta Air Lines.(DL 714)
Sat 20:30 Atlanta (ATL) S 23:10 Seattle-Tacoma (SEA) WestJet WS 6418 Non-stop Boeing 737-900 (739) 5:40 Effective 2026-02-14 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 714)
Mon-Fri,Sun 20:33 Atlanta (ATL) S 23:15 Seattle-Tacoma (SEA) WestJet WS 6418 Non-stop Airbus A321neo (32Q) 5:42 Effective 2026-01-19 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 714)
Mon,Thu-Sun 16:29 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA) WestJet WS 6441 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-01-05 through 2026-01-11 Codeshare flight, operated by Delta Air Lines.(DL 481)
Thu-Sun 16:29 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA) WestJet WS 6441 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-01-15 through 2026-02-08 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 11:20 Atlanta (ATL) S 13:55 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 757-200 (752) 5:35 Effective 2026-03-08 through 2026-03-14 Codeshare flight, operated by Delta Air Lines.(DL 629)
Daily 11:20 Atlanta (ATL) S 13:57 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 757-200 (752) 5:37 Effective 2026-03-15 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 629)
Daily 11:30 Atlanta (ATL) S 14:07 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 757-200 (752) 5:37 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 629)
Daily 11:45 Atlanta (ATL) S 14:18 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 757-200 (752) 5:33 Effective 2026-01-05 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 629)
Daily 12:15 Atlanta (ATL) S 14:45 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 737-900 (739) 5:30 Effective 2026-04-13 through 2026-06-08 Codeshare flight, operated by Delta Air Lines.(DL 629)
Mon,Fri-Sun 12:15 Atlanta (ATL) S 14:45 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 737-900 (739) 5:30 Effective 2026-06-12 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 629)
Mon,Fri-Sun 12:15 Atlanta (ATL) S 14:39 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 737-900 (739) 5:24 Effective 2026-07-10 through 2026-09-07 Codeshare flight, operated by Delta Air Lines.(DL 629)
Daily 12:15 Atlanta (ATL) S 14:39 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 737-900 (739) 5:24 Effective 2026-09-10 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 629)
Daily 12:15 Atlanta (ATL) S 14:50 Seattle-Tacoma (SEA) WestJet WS 6596 Non-stop Boeing 737-900 (739) 5:35 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 629)
Mon,Thu,Fri,Sun 21:22 Atlanta (ATL) S 23:52 Seattle-Tacoma (SEA) WestJet WS 6799 Non-stop Boeing 737-900 (739) 5:30 Effective 2026-03-08 through 2026-03-13 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:22 Atlanta (ATL) S 23:54 Seattle-Tacoma (SEA) WestJet WS 6799 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-03-15 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 903)
Daily 21:35 Atlanta (ATL) S 00:06 Seattle-Tacoma (SEA) WestJet WS 6799 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-04-13 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Daily 21:35 Atlanta (ATL) S 00:03 Seattle-Tacoma (SEA) WestJet WS 6799 Non-stop Boeing 737-900 (739) 5:28 Effective 2026-07-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Daily 21:35 Atlanta (ATL) S 00:09 Seattle-Tacoma (SEA) WestJet WS 6799 Non-stop Boeing 737-900 (739) 5:34 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Daily 09:40 Atlanta (ATL) S 12:21 Seattle-Tacoma (SEA) WestJet WS 6839 Non-stop Boeing 757-200 (752) 5:41 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 774)
Daily 09:40 Atlanta (ATL) S 12:20 Seattle-Tacoma (SEA) WestJet WS 6839 Non-stop Boeing 757-200 (752) 5:40 Effective 2026-01-05 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 774)
Daily 09:40 Atlanta (ATL) S 12:16 Seattle-Tacoma (SEA) WestJet WS 6839 Non-stop Boeing 737-900 (739) 5:36 Effective 2026-04-13 through 2026-06-06 Codeshare flight, operated by Delta Air Lines.(DL 774)
Daily 09:40 Atlanta (ATL) S 12:16 Seattle-Tacoma (SEA) WestJet WS 6839 Non-stop Boeing 757-300 (753) 5:36 Effective 2026-06-07 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 774)
Daily 09:40 Atlanta (ATL) S 12:11 Seattle-Tacoma (SEA) WestJet WS 6839 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-07-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 774)
Daily 09:40 Atlanta (ATL) S 12:23 Seattle-Tacoma (SEA) WestJet WS 6839 Non-stop Boeing 757-300 (753) 5:43 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 774)

Ad flat here 8924483383 I FlightInfo Lower

Parallax here ATL-SEA

1 2

A domestic route departing from the Atlanta airport (ATL) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 2177 miles, or 3503 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 5:24 and 5:46.

Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False

WestJet flights from Atlanta (ATL) to Seattle-Tacoma (SEA).

Ad mobi flat here (320x100px) 9629219771 M FlightInfo Top Flat

FLIGHT SCHEDULE

Direct Codeshare Flights:

WestJet WS5406

16:10

Atlanta (ATL) S

18:45

Seattle-Tacoma (SEA)

Effective 2026-02-28 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:35, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

WestJet WS5438

11:15

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2026-06-07 through 2026-06-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:29, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5438

11:15

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2026-06-27 through 2026-07-06

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:29, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5438

11:15

Atlanta (ATL) S

13:46

Seattle-Tacoma (SEA)

Effective 2026-07-07 through 2026-08-13

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:31, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5438

11:15

Atlanta (ATL) S

13:46

Seattle-Tacoma (SEA)

Effective 2026-08-14 through 2026-09-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:31, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5439

11:15

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2026-07-03 through 2026-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:29, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5439

11:15

Atlanta (ATL) S

13:46

Seattle-Tacoma (SEA)

Effective 2026-08-07 through 2026-08-12

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:31, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5440

11:15

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2026-06-26 through 2026-07-01

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:29, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5441

11:15

Atlanta (ATL) S

13:46

Seattle-Tacoma (SEA)

Effective 2026-07-08 through 2026-08-05

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 648)

Duration: 5:31, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS5512

20:12

Atlanta (ATL) S

22:50

Seattle-Tacoma (SEA)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5531

18:06

Atlanta (ATL) S

20:43

Seattle-Tacoma (SEA)

Valid until 2026-01-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 675)

Duration: 5:37, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5531

18:18

Atlanta (ATL) S

20:55

Seattle-Tacoma (SEA)

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 675)

Duration: 5:37, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5552

16:10

Atlanta (ATL) S

18:45

Seattle-Tacoma (SEA)

Effective 2026-02-14 through 2026-02-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:35, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

WestJet WS5552

16:10

Atlanta (ATL) S

18:43

Seattle-Tacoma (SEA)

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:33, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5556

16:10

Atlanta (ATL) S

18:43

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-02-20

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:33, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5556

16:10

Atlanta (ATL) S

18:43

Seattle-Tacoma (SEA)

Effective 2026-02-22 through 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:33, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5592

16:10

Atlanta (ATL) S

18:43

Seattle-Tacoma (SEA)

Effective 2026-02-16 through 2026-03-04

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:33, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5592

16:10

Atlanta (ATL) S

18:43

Seattle-Tacoma (SEA)

Operates only on 2026-03-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:33, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5592

16:29

Atlanta (ATL) S

19:00

Seattle-Tacoma (SEA)

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:31, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5592

16:30

Atlanta (ATL) S

19:00

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:30, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS5592

16:30

Atlanta (ATL) S

19:02

Seattle-Tacoma (SEA)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:32, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6418

18:10

Atlanta (ATL) S

20:42

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:32, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6418

18:10

Atlanta (ATL) S

20:46

Seattle-Tacoma (SEA)

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:36, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6418

20:12

Atlanta (ATL) S

22:50

Seattle-Tacoma (SEA)

Effective 2026-01-06 through 2026-01-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6418

20:12

Atlanta (ATL) S

22:52

Seattle-Tacoma (SEA)

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:40, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

WestJet WS6418

20:30

Atlanta (ATL) S

23:12

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:42, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

WestJet WS6418

20:30

Atlanta (ATL) S

23:10

Seattle-Tacoma (SEA)

Effective 2026-02-14 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:40, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6418

20:33

Atlanta (ATL) S

23:15

Seattle-Tacoma (SEA)

Effective 2026-01-19 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 714)

Duration: 5:42, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

WestJet WS6441

16:29

Atlanta (ATL) S

19:00

Seattle-Tacoma (SEA)

Effective 2026-01-05 through 2026-01-11

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:31, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6441

16:29

Atlanta (ATL) S

19:00

Seattle-Tacoma (SEA)

Effective 2026-01-15 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 481)

Duration: 5:31, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6596

11:20

Atlanta (ATL) S

13:55

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:35, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

WestJet WS6596

11:20

Atlanta (ATL) S

13:57

Seattle-Tacoma (SEA)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:37, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

WestJet WS6596

11:30

Atlanta (ATL) S

14:07

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:37, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

WestJet WS6596

11:45

Atlanta (ATL) S

14:18

Seattle-Tacoma (SEA)

Effective 2026-01-05 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:33, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

WestJet WS6596

12:15

Atlanta (ATL) S

14:45

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-06-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:30, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6596

12:15

Atlanta (ATL) S

14:45

Seattle-Tacoma (SEA)

Effective 2026-06-12 through 2026-07-06

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:30, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6596

12:15

Atlanta (ATL) S

14:39

Seattle-Tacoma (SEA)

Effective 2026-07-10 through 2026-09-07

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:24, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6596

12:15

Atlanta (ATL) S

14:39

Seattle-Tacoma (SEA)

Effective 2026-09-10 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:24, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6596

12:15

Atlanta (ATL) S

14:50

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 629)

Duration: 5:35, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6799

21:22

Atlanta (ATL) S

23:52

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-13

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 903)

Duration: 5:30, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6799

21:22

Atlanta (ATL) S

23:54

Seattle-Tacoma (SEA)

Effective 2026-03-15 through 2026-04-12

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 903)

Duration: 5:32, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6799

21:35

Atlanta (ATL) S

00:06(+1)

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 903)

Duration: 5:31, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

WestJet WS6799

21:35

Atlanta (ATL) S

00:03(+1)

Seattle-Tacoma (SEA)

Effective 2026-07-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 903)

Duration: 5:28, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

WestJet WS6799

21:35

Atlanta (ATL) S

00:09(+1)

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 903)

Duration: 5:34, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Codeshare Flights:

WestJet WS6839

09:40

Atlanta (ATL) S

12:21

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 774)

Duration: 5:41, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

WestJet WS6839

09:40

Atlanta (ATL) S

12:20

Seattle-Tacoma (SEA)

Effective 2026-01-05 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 774)

Duration: 5:40, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

WestJet WS6839

09:40

Atlanta (ATL) S

12:16

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-06-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 774)

Duration: 5:36, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

WestJet WS6839

09:40

Atlanta (ATL) S

12:16

Seattle-Tacoma (SEA)

Effective 2026-06-07 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 774)

Duration: 5:36, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS6839

09:40

Atlanta (ATL) S

12:11

Seattle-Tacoma (SEA)

Effective 2026-07-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 774)

Duration: 5:31, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

WestJet WS6839

09:40

Atlanta (ATL) S

12:23

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 774)

Duration: 5:43, non-stop
Boeing 757-300 (753)

Ad mobi box here (300x250px) 6815354179 M FlightInfo Bottom Box

Parallax here ATL-SEA

Page 1 / 2 next

A domestic route departing from the Atlanta airport (ATL) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 2177 miles, or 3503 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 5:24 and 5:46.

All ATL-SEA flights

All WestJet flights

Return (SEA-ATL) flights

Feedback - Disclaimer - Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False