Delta Air Lines flights from Atlanta (ATL) to Seattle-Tacoma (SEA).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:54 Atlanta (ATL) S 12:30 Seattle-Tacoma (SEA)
Delta Air Lines DL 774 Non-stop Boeing 757-200 (752) 5:36 Effective 2026-03-08 through 2026-03-14
Daily 09:54 Atlanta (ATL) S 12:32 Seattle-Tacoma (SEA)
Delta Air Lines DL 774 Non-stop Boeing 757-200 (752) 5:38 Effective 2026-03-15 through 2026-04-12
Mon-Fri,Sun 19:30 Atlanta (ATL) S 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 834 Non-stop Boeing 737-900 (739) 5:35 Effective 2026-05-07 through 2026-05-22
Mon-Fri,Sun 19:30 Atlanta (ATL) S 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 834 Non-stop Boeing 737-900 (739) 5:35 Effective 2026-05-25 through 2026-07-06
Mon-Fri,Sun 19:30 Atlanta (ATL) S 22:01 Seattle-Tacoma (SEA)
Delta Air Lines DL 834 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-07-07 through 2026-08-02
Daily 21:20 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA)
Delta Air Lines DL 903 Non-stop Boeing 737-900 (739) 5:38 Valid until 2026-01-04
Mon,Thu,Fri,Sun 21:22 Atlanta (ATL) S 23:52 Seattle-Tacoma (SEA)
Delta Air Lines DL 903 Non-stop Boeing 737-900 (739) 5:30 Effective 2026-03-08 through 2026-03-13
Mon,Thu,Fri,Sun 21:22 Atlanta (ATL) S 23:54 Seattle-Tacoma (SEA)
Delta Air Lines DL 903 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-03-15 through 2026-04-12
Daily 21:35 Atlanta (ATL) S 00:06 Seattle-Tacoma (SEA)
Delta Air Lines DL 903 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-04-13 through 2026-07-06
The flight arrives 1 day after departure.
Daily 21:35 Atlanta (ATL) S 00:03 Seattle-Tacoma (SEA)
Delta Air Lines DL 903 Non-stop Boeing 737-900 (739) 5:28 Effective 2026-07-07 through 2026-10-05
The flight arrives 1 day after departure.
Daily 21:35 Atlanta (ATL) S 00:09 Seattle-Tacoma (SEA)
Delta Air Lines DL 903 Non-stop Boeing 737-900 (739) 5:34 Effective from 2026-10-06
The flight arrives 1 day after departure.
Mon-Fri,Sun 19:30 Atlanta (ATL) S 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 2524 Non-stop Boeing 737-900 (739) 5:35 Effective 2026-04-13 through 2026-05-06
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Delta Air Lines flights from Atlanta (ATL) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL774
09:54
Atlanta (ATL) S

12:30
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:36, non-stop
Boeing 757-200 (752)
Direct Flights:
Delta Air Lines DL774
09:54
Atlanta (ATL) S

12:32
Seattle-Tacoma (SEA)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:38, non-stop
Boeing 757-200 (752)
Direct Flights:
Delta Air Lines DL834
19:30
Atlanta (ATL) S

22:05
Seattle-Tacoma (SEA)
Effective 2026-05-07 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:35, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL834
19:30
Atlanta (ATL) S

22:05
Seattle-Tacoma (SEA)
Effective 2026-05-25 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:35, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL834
19:30
Atlanta (ATL) S

22:01
Seattle-Tacoma (SEA)
Effective 2026-07-07 through 2026-08-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:31, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL903
21:20
Atlanta (ATL) S

23:58
Seattle-Tacoma (SEA)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:38, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL903
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
Duration: 5:30, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL903
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
Duration: 5:32, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL903
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
Duration: 5:31, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
Delta Air Lines DL903
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
Duration: 5:28, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
Delta Air Lines DL903
21:35
Atlanta (ATL) S

00:09(+1)
Seattle-Tacoma (SEA)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:34, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
Delta Air Lines DL2524
19:30
Atlanta (ATL) S

22:05
Seattle-Tacoma (SEA)
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:35, 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 5:22 and 5:46.
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