All airlines flying from Atlanta (ATL) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 16:25 Atlanta (ATL) S 18:48 Seattle-Tacoma (SEA) Aeromexico AM 3343 Non-stop Boeing 757-300 (753) 5:23 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 472)
Daily 16:55 Atlanta (ATL) S 19:34 Seattle-Tacoma (SEA) Aeromexico AM 3343 Non-stop Boeing 737-900 (739) 5:39 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 472)
Daily 16:59 Atlanta (ATL) S 19:29 Seattle-Tacoma (SEA) Aeromexico AM 3343 Non-stop Boeing 757-300 (753) 5:30 Effective 2025-07-07 through 2025-08-10 Codeshare flight, operated by Delta Air Lines.(DL 472)
Daily 16:59 Atlanta (ATL) S 19:29 Seattle-Tacoma (SEA) Aeromexico AM 3343 Non-stop Boeing 737-900 (739) 5:30 Effective 2025-08-11 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 472)
Daily 16:59 Atlanta (ATL) S 19:36 Seattle-Tacoma (SEA) Aeromexico AM 3343 Non-stop Boeing 737-900 (739) 5:37 Effective 2025-09-08 through 2025-10-05 Codeshare flight, operated by Delta Air Lines.(DL 472)
Mon-Wed 14:00 Atlanta (ATL) S 16:35 Seattle-Tacoma (SEA) Aeromexico AM 3344 Non-stop Boeing 737-900 (739) 5:35 Effective 2025-11-03 through 2025-11-05 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 14:00 Atlanta (ATL) S 16:38 Seattle-Tacoma (SEA) Aeromexico AM 3344 Non-stop Airbus A321neo (32Q) 5:38 Effective 2025-11-06 through 2025-12-19 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 14:15 Atlanta (ATL) S 16:50 Seattle-Tacoma (SEA) Aeromexico AM 3344 Non-stop Boeing 737-900 (739) 5:35 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 481)
Mon-Fri,Sun 14:25 Atlanta (ATL) S 16:57 Seattle-Tacoma (SEA) Aeromexico AM 3344 Non-stop Boeing 737-900 (739) 5:32 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 15:10 Atlanta (ATL) S 17:50 Seattle-Tacoma (SEA) Aeromexico AM 3344 Non-stop Airbus A321neo (32Q) 5:40 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 481)
Mon-Wed,Sun 12:15 Atlanta (ATL) S 14:52 Seattle-Tacoma (SEA) Aeromexico AM 3462 Non-stop Boeing 737-900 (739) 5:37 Effective 2025-11-02 through 2025-11-05 Codeshare flight, operated by Delta Air Lines.(DL 629)
Mon,Thu-Sun 21:25 Atlanta (ATL) S 23:59 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:34 Valid until 2025-05-05 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:25 Atlanta (ATL) S 23:49 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:24 Effective 2025-05-08 through 2025-05-23 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:25 Atlanta (ATL) S 23:49 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:24 Effective 2025-05-26 through 2025-06-06 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:25 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:33 Effective 2025-06-08 through 2025-06-27 Codeshare flight, operated by Delta Air Lines.(DL 903)
Sun 21:25 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:33 Operates only on 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:35 Atlanta (ATL) S 00:08 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:33 Effective 2025-07-07 through 2025-08-29 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:35 Atlanta (ATL) S 00:08 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:33 Effective 2025-09-01 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Daily 21:35 Atlanta (ATL) S 00:11 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:36 Effective 2025-09-08 through 2025-11-05 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Daily 21:35 Atlanta (ATL) S 00:14 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Airbus A321neo (32Q) 5:39 Effective 2025-11-06 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Wed 12:15 Atlanta (ATL) S 14:40 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:25 Operates only on 2025-07-02 Codeshare flight, operated by Delta Air Lines.(DL 629)
Wed 12:15 Atlanta (ATL) S 14:45 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:30 Effective 2025-07-09 through 2025-09-03 Codeshare flight, operated by Delta Air Lines.(DL 629)
Wed 12:15 Atlanta (ATL) S 14:52 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:37 Effective 2025-09-10 through 2025-10-22 Codeshare flight, operated by Delta Air Lines.(DL 629)
Thu 19:52 Atlanta (ATL) S 22:24 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:32 Effective 2025-06-12 through 2025-06-19 Codeshare flight, operated by Delta Air Lines.(DL 623Z)
Wed 20:30 Atlanta (ATL) S 23:05 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:35 Effective 2025-06-11 through 2025-06-25 Codeshare flight, operated by Delta Air Lines.(DL 623)
Mon,Thu,Fri,Sun 20:30 Atlanta (ATL) S 23:05 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:35 Effective 2025-06-29 through 2025-07-04 Codeshare flight, operated by Delta Air Lines.(DL 623)
Sat 21:25 Atlanta (ATL) S 23:59 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:34 Valid until 2025-05-03 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Fri 21:25 Atlanta (ATL) S 23:49 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:24 Effective 2025-05-23 through 2025-05-30 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Fri,Sun 21:25 Atlanta (ATL) S 23:49 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:24 Effective 2025-06-01 through 2025-06-06 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Fri,Sun 21:25 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:33 Effective 2025-06-08 through 2025-06-23 Codeshare flight, operated by Delta Air Lines.(DL 903)
Thu,Fri 21:25 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:33 Effective 2025-06-26 through 2025-06-27 Codeshare flight, operated by Delta Air Lines.(DL 903)
Sun 21:25 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:33 Operates only on 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:35 Atlanta (ATL) S 00:08 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:33 Effective 2025-07-07 through 2025-08-29 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:35 Atlanta (ATL) S 00:08 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:33 Effective 2025-09-01 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu-Sat 21:35 Atlanta (ATL) S 00:11 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:36 Effective 2025-09-08 through 2025-10-25 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu-Sun 21:35 Atlanta (ATL) S 00:11 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:36 Effective 2025-10-26 through 2025-11-03 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu-Sun 21:35 Atlanta (ATL) S 00:14 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Airbus A321neo (32Q) 5:39 Effective 2025-11-06 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Sun 14:00 Atlanta (ATL) S 16:35 Seattle-Tacoma (SEA) Aeromexico AM 3656 Non-stop Boeing 737-900 (739) 5:35 Operates only on 2025-11-02 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 21:35 Atlanta (ATL) S 00:14 Seattle-Tacoma (SEA) Aeromexico AM 3704 Non-stop Airbus A321neo (32Q) 5:39 Effective 2025-12-20 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Wed,Fri-Sun 09:40 Atlanta (ATL) S 12:14 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:34 Effective 2025-08-11 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 774)
Mon,Wed,Fri,Sun 09:40 Atlanta (ATL) S 12:24 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:44 Effective 2025-09-08 through 2025-09-14 Codeshare flight, operated by Delta Air Lines.(DL 774)
Wed,Fri,Sun 09:40 Atlanta (ATL) S 12:24 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:44 Effective 2025-09-17 through 2025-10-24 Codeshare flight, operated by Delta Air Lines.(DL 774)
Mon,Wed,Fri-Sun 11:00 Atlanta (ATL) S 13:34 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:34 Effective 2025-07-07 through 2025-08-10 Codeshare flight, operated by Delta Air Lines.(DL 648)
Mon,Wed,Fri-Sun 11:15 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:29 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 648)
Mon,Wed,Fri-Sun 11:18 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 737-900 (739) 5:26 Effective 2025-05-21 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 1687)
Sat 19:30 Atlanta (ATL) S 22:02 Seattle-Tacoma (SEA) Aeromexico AM 4021 Non-stop Boeing 737-900 (739) 5:32 Effective 2025-06-14 through 2025-07-05 Codeshare flight, operated by Delta Air Lines.(DL 623)
Sat 19:30 Atlanta (ATL) S 22:03 Seattle-Tacoma (SEA) Aeromexico AM 4021 Non-stop Boeing 757-300 (753) 5:33 Effective 2025-07-12 through 2025-08-09 Codeshare flight, operated by Delta Air Lines.(DL 623)
Daily 19:33 Atlanta (ATL) S 22:00 Seattle-Tacoma (SEA) Aeromexico AM 4021 Non-stop Boeing 737-900 (739) 5:27 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 2116)
Daily 19:43 Atlanta (ATL) S 22:25 Seattle-Tacoma (SEA) Aeromexico AM 4021 Non-stop Boeing 757-300 (753) 5:42 Effective 2025-09-08 through 2025-11-05 Codeshare flight, operated by Delta Air Lines.(DL 623)
Daily 19:44 Atlanta (ATL) S 22:25 Seattle-Tacoma (SEA) Aeromexico AM 4021 Non-stop Boeing 737-900 (739) 5:41 Effective 2025-11-06 through 2025-11-30 Codeshare flight, operated by Delta Air Lines.(DL 623)

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Parallax here ATL-SEA

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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 5:15 and 5:49.

Return (SEA-ATL) flights

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All airlines flying from Atlanta (ATL) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Aeromexico AM3343

16:25

Atlanta (ATL) S

18:48

Seattle-Tacoma (SEA)

Effective 2025-06-08 through 2025-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 472)

Duration: 5:23, non-stop
Boeing 757-300 (753)

Aeromexico AM3343

16:55

Atlanta (ATL) S

19:34

Seattle-Tacoma (SEA)

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 472)

Duration: 5:39, non-stop
Boeing 737-900 (739)

Aeromexico AM3343

16:59

Atlanta (ATL) S

19:29

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 472)

Duration: 5:30, non-stop
Boeing 757-300 (753)

Aeromexico AM3343

16:59

Atlanta (ATL) S

19:29

Seattle-Tacoma (SEA)

Effective 2025-08-11 through 2025-09-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 472)

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

Aeromexico AM3343

16:59

Atlanta (ATL) S

19:36

Seattle-Tacoma (SEA)

Effective 2025-09-08 through 2025-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 472)

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

Aeromexico AM3344

14:00

Atlanta (ATL) S

16:35

Seattle-Tacoma (SEA)

Effective 2025-11-03 through 2025-11-05

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

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

Aeromexico AM3344

14:00

Atlanta (ATL) S

16:38

Seattle-Tacoma (SEA)

Effective 2025-11-06 through 2025-12-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:38, non-stop
Airbus A321neo (32Q)

Aeromexico AM3344

14:15

Atlanta (ATL) S

16:50

Seattle-Tacoma (SEA)

Effective 2025-12-20 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

Aeromexico AM3344

14:25

Atlanta (ATL) S

16:57

Seattle-Tacoma (SEA)

Valid until 2025-05-06

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)

Aeromexico AM3344

15:10

Atlanta (ATL) S

17:50

Seattle-Tacoma (SEA)

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

Aeromexico AM3462

12:15

Atlanta (ATL) S

14:52

Seattle-Tacoma (SEA)

Effective 2025-11-02 through 2025-11-05

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

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

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

Air France AF3487

21:25

Atlanta (ATL) S

23:59

Seattle-Tacoma (SEA)

Valid until 2025-05-05

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)

Air France AF3487

21:25

Atlanta (ATL) S

23:49

Seattle-Tacoma (SEA)

Effective 2025-05-08 through 2025-05-23

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

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

Air France AF3487

21:25

Atlanta (ATL) S

23:49

Seattle-Tacoma (SEA)

Effective 2025-05-26 through 2025-06-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

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

Air France AF3487

21:25

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Effective 2025-06-08 through 2025-06-27

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

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

Air France AF3487

21:25

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Operates only on 2025-07-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

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

Air France AF3487

21:35

Atlanta (ATL) S

00:08(+1)

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Duration: 5:33, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Air France AF3487

21:35

Atlanta (ATL) S

00:08(+1)

Seattle-Tacoma (SEA)

Effective 2025-09-01 through 2025-09-07

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Duration: 5:33, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Air France AF3487

21:35

Atlanta (ATL) S

00:11(+1)

Seattle-Tacoma (SEA)

Effective 2025-09-08 through 2025-11-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:36, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Air France AF3487

21:35

Atlanta (ATL) S

00:14(+1)

Seattle-Tacoma (SEA)

Effective 2025-11-06 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:39, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

SAS SK3639

12:15

Atlanta (ATL) S

14:40

Seattle-Tacoma (SEA)

Operates only on 2025-07-02

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 5:25, non-stop
Boeing 737-900 (739)

SAS SK3639

12:15

Atlanta (ATL) S

14:45

Seattle-Tacoma (SEA)

Effective 2025-07-09 through 2025-09-03

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)

SAS SK3639

12:15

Atlanta (ATL) S

14:52

Seattle-Tacoma (SEA)

Effective 2025-09-10 through 2025-10-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

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

SAS SK3639

19:52

Atlanta (ATL) S

22:24

Seattle-Tacoma (SEA)

Effective 2025-06-12 through 2025-06-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines.(DL 623Z)

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

SAS SK3639

20:30

Atlanta (ATL) S

23:05

Seattle-Tacoma (SEA)

Effective 2025-06-11 through 2025-06-25

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 623)

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

SAS SK3639

20:30

Atlanta (ATL) S

23:05

Seattle-Tacoma (SEA)

Effective 2025-06-29 through 2025-07-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 623)

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

SAS SK3639

21:25

Atlanta (ATL) S

23:59

Seattle-Tacoma (SEA)

Valid until 2025-05-03

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)

SAS SK3639

21:25

Atlanta (ATL) S

23:49

Seattle-Tacoma (SEA)

Effective 2025-05-23 through 2025-05-30

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

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

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

SAS SK3639

21:25

Atlanta (ATL) S

23:49

Seattle-Tacoma (SEA)

Effective 2025-06-01 through 2025-06-06

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

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

SAS SK3639

21:25

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Effective 2025-06-08 through 2025-06-23

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

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

SAS SK3639

21:25

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Effective 2025-06-26 through 2025-06-27

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

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

SAS SK3639

21:25

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Operates only on 2025-07-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

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

SAS SK3639

21:35

Atlanta (ATL) S

00:08(+1)

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Duration: 5:33, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

SAS SK3639

21:35

Atlanta (ATL) S

00:08(+1)

Seattle-Tacoma (SEA)

Effective 2025-09-01 through 2025-09-07

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Duration: 5:33, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

SAS SK3639

21:35

Atlanta (ATL) S

00:11(+1)

Seattle-Tacoma (SEA)

Effective 2025-09-08 through 2025-10-25

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

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

Duration: 5:36, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

SAS SK3639

21:35

Atlanta (ATL) S

00:11(+1)

Seattle-Tacoma (SEA)

Effective 2025-10-26 through 2025-11-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

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

Duration: 5:36, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

SAS SK3639

21:35

Atlanta (ATL) S

00:14(+1)

Seattle-Tacoma (SEA)

Effective 2025-11-06 through 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

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

Duration: 5:39, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Aeromexico AM3656

14:00

Atlanta (ATL) S

16:35

Seattle-Tacoma (SEA)

Operates only on 2025-11-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

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

Aeromexico AM3704

21:35

Atlanta (ATL) S

00:14(+1)

Seattle-Tacoma (SEA)

Effective 2025-12-20 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Duration: 5:39, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

SAS SK3750

09:40

Atlanta (ATL) S

12:14

Seattle-Tacoma (SEA)

Effective 2025-08-11 through 2025-09-07

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun

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

Duration: 5:34, non-stop
Boeing 757-300 (753)

SAS SK3750

09:40

Atlanta (ATL) S

12:24

Seattle-Tacoma (SEA)

Effective 2025-09-08 through 2025-09-14

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

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

Duration: 5:44, non-stop
Boeing 757-300 (753)

SAS SK3750

09:40

Atlanta (ATL) S

12:24

Seattle-Tacoma (SEA)

Effective 2025-09-17 through 2025-10-24

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

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

Duration: 5:44, non-stop
Boeing 757-300 (753)

SAS SK3750

11:00

Atlanta (ATL) S

13:34

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-10

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun

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

Duration: 5:34, non-stop
Boeing 757-300 (753)

SAS SK3750

11:15

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2025-06-08 through 2025-07-06

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)

SAS SK3750

11:18

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2025-05-21 through 2025-06-07

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 1687)

Duration: 5:26, non-stop
Boeing 737-900 (739)

Aeromexico AM4021

19:30

Atlanta (ATL) S

22:02

Seattle-Tacoma (SEA)

Effective 2025-06-14 through 2025-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 623)

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

Aeromexico AM4021

19:30

Atlanta (ATL) S

22:03

Seattle-Tacoma (SEA)

Effective 2025-07-12 through 2025-08-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 623)

Duration: 5:33, non-stop
Boeing 757-300 (753)

Aeromexico AM4021

19:33

Atlanta (ATL) S

22:00

Seattle-Tacoma (SEA)

Effective 2025-05-07 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2116)

Duration: 5:27, non-stop
Boeing 737-900 (739)

Aeromexico AM4021

19:43

Atlanta (ATL) S

22:25

Seattle-Tacoma (SEA)

Effective 2025-09-08 through 2025-11-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 623)

Duration: 5:42, non-stop
Boeing 757-300 (753)

Aeromexico AM4021

19:44

Atlanta (ATL) S

22:25

Seattle-Tacoma (SEA)

Effective 2025-11-06 through 2025-11-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 623)

Duration: 5:41, non-stop
Boeing 737-900 (739)

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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 5:15 and 5:49.

Return (SEA-ATL) flights

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