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

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:54 Atlanta (ATL) S 12:30 Seattle-Tacoma (SEA)
WestJet WS 6839 Non-stop Boeing 757-200 (752) 5:36 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 774)
Daily 09:54 Atlanta (ATL) S 12:32 Seattle-Tacoma (SEA)
WestJet WS 6839 Non-stop Boeing 757-200 (752) 5:38 Effective 2026-03-15 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 774)
Daily 18:10 Atlanta (ATL) S 20:46 Seattle-Tacoma (SEA)
WestJet WS 6892 Non-stop Boeing 737-900 (739) 5:36 Effective 2026-10-06 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 714)
Mon,Fri-Sun 07:25 Atlanta (ATL) S 10:09 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:44 Effective 2026-01-09 through 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 444)
Mon,Fri-Sun 07:25 Atlanta (ATL) S 10:07 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:42 Effective 2026-01-19 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 444)
Mon,Fri-Sun 07:25 Atlanta (ATL) S 09:59 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:34 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 444)
Mon,Fri-Sun 07:25 Atlanta (ATL) S 10:01 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:36 Effective 2026-03-15 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 444)
Mon,Sat,Sun 07:45 Atlanta (ATL) S 10:31 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:46 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 444)
Mon,Fri-Sun 07:45 Atlanta (ATL) S 10:17 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-04-13 through 2026-04-25
Codeshare flight, operated by Delta Air Lines.(DL 444)
Mon,Fri-Sun 07:45 Atlanta (ATL) S 10:26 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:41 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 444)
Fri 07:48 Atlanta (ATL) S 10:34 Seattle-Tacoma (SEA)
WestJet WS 7449 Non-stop Boeing 737-900 (739) 5:46 Operates only on 2026-01-02
Codeshare flight, operated by Delta Air Lines.(DL 444)
Daily 16:25 Atlanta (ATL) S 18:56 Seattle-Tacoma (SEA)
WestJet WS 8701 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-05-07 through 2026-06-06
Codeshare flight, operated by Delta Air Lines.(DL 472)
Daily 16:25 Atlanta (ATL) S 18:56 Seattle-Tacoma (SEA)
WestJet WS 8701 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-06-07 through 2026-07-06
Codeshare flight, operated by Delta Air Lines.(DL 472)
Daily 16:25 Atlanta (ATL) S 18:52 Seattle-Tacoma (SEA)
WestJet WS 8701 Non-stop Boeing 757-300 (753) 5:27 Effective 2026-07-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 472)
Daily 16:25 Atlanta (ATL) S 18:59 Seattle-Tacoma (SEA)
WestJet WS 8701 Non-stop Boeing 757-300 (753) 5:34 Effective from 2026-10-06
Codeshare flight, operated by Delta Air Lines.(DL 472)
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WestJet flights from Atlanta (ATL) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 774)
Duration: 5:36, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 774)
Duration: 5:38, non-stop
Boeing 757-200 (752)

Direct Codeshare Flights:

Effective 2026-10-06 through 2026-10-24
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:

Effective 2026-01-09 through 2026-01-18
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:44, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-01-19 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:42, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-14
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:34, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:36, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Valid until 2026-01-04
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:46, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-04-13 through 2026-04-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:32, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective from 2026-10-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:41, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 444)
Duration: 5:46, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-05-07 through 2026-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 472)
Duration: 5:31, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-06-07 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 472)
Duration: 5:31, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 472)
Duration: 5:27, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 472)
Duration: 5:34, non-stop
Boeing 757-300 (753)
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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 5:24 and 5:46.