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

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 16:29 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA) Aeromexico AM 3344 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-01-05 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 481)
Daily 16:30 Atlanta (ATL) S 19:00 Seattle-Tacoma (SEA) Aeromexico AM 3344 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) Aeromexico AM 3344 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 21:20 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:38 Valid until 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu 21:22 Atlanta (ATL) S 23:52 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:30 Effective 2026-03-09 through 2026-03-12 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:22 Atlanta (ATL) S 23:54 Seattle-Tacoma (SEA) Air France AF 3487 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-03-16 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 903)
Daily 21:35 Atlanta (ATL) S 00:06 Seattle-Tacoma (SEA) Air France AF 3487 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) Air France AF 3487 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) Air France AF 3487 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.
Fri-Sun 09:40 Atlanta (ATL) S 12:11 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-09-11 through 2026-10-04 Codeshare flight, operated by Delta Air Lines.(DL 774)
Fri-Sun 09:40 Atlanta (ATL) S 12:23 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 757-300 (753) 5:43 Effective 2026-10-09 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 774)
Fri-Sun 09:40 Atlanta (ATL) S 12:11 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 757-300 (753) 5:31 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 774)
Tue 11:15 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 757-300 (753) 5:29 Effective 2026-06-09 through 2026-06-30 Codeshare flight, operated by Delta Air Lines.(DL 648)
Tue 11:15 Atlanta (ATL) S 13:46 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-07-07 through 2026-09-01 Codeshare flight, operated by Delta Air Lines.(DL 648)
Tue,Fri-Sun 11:15 Atlanta (ATL) S 13:46 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-09-04 through 2026-09-08 Codeshare flight, operated by Delta Air Lines.(DL 648)
Fri-Sun 21:20 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:38 Effective 2026-01-02 through 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Sun 21:22 Atlanta (ATL) S 23:52 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:30 Effective 2026-03-08 through 2026-03-12 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Sun 21:22 Atlanta (ATL) S 23:54 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-03-15 through 2026-03-29 Codeshare flight, operated by Delta Air Lines.(DL 903)
Thu,Sun 21:22 Atlanta (ATL) S 23:54 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:32 Effective 2026-04-05 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 903)
Tue,Thu,Sat,Sun 21:35 Atlanta (ATL) S 00:06 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-04-14 through 2026-05-17 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu-Sun 21:35 Atlanta (ATL) S 00:06 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:31 Effective 2026-05-18 through 2026-07-06 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu-Sun 21:35 Atlanta (ATL) S 00:03 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:28 Effective 2026-07-09 through 2026-09-03 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu 21:35 Atlanta (ATL) S 00:03 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:28 Effective 2026-09-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu 21:35 Atlanta (ATL) S 00:09 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:34 Effective 2026-10-08 through 2026-10-22 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Mon,Thu 21:35 Atlanta (ATL) S 00:03 Seattle-Tacoma (SEA) SAS SK 3639 Non-stop Boeing 737-900 (739) 5:28 Effective from 2026-10-26 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Daily 21:20 Atlanta (ATL) S 23:58 Seattle-Tacoma (SEA) Aeromexico AM 3704 Non-stop Boeing 737-900 (739) 5:38 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 903)
Mon,Thu,Fri,Sun 21:22 Atlanta (ATL) S 23:52 Seattle-Tacoma (SEA) Aeromexico AM 3704 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) Aeromexico AM 3704 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) Aeromexico AM 3704 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) Aeromexico AM 3704 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) Aeromexico AM 3704 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.
Tue,Fri-Sun 09:40 Atlanta (ATL) S 12:16 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 737-900 (739) 5:36 Effective 2026-05-22 through 2026-06-06 Codeshare flight, operated by Delta Air Lines.(DL 774)
Tue 09:40 Atlanta (ATL) S 12:11 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-09-15 through 2026-09-29 Codeshare flight, operated by Delta Air Lines.(DL 774)
Tue 09:40 Atlanta (ATL) S 12:23 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:43 Effective 2026-10-06 through 2026-10-20 Codeshare flight, operated by Delta Air Lines.(DL 774)
Tue 09:40 Atlanta (ATL) S 12:11 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:31 Effective from 2026-10-27 Codeshare flight, operated by Delta Air Lines.(DL 774)
Fri-Sun 11:15 Atlanta (ATL) S 13:44 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:29 Effective 2026-06-07 through 2026-07-05 Codeshare flight, operated by Delta Air Lines.(DL 648)
Fri-Sun 11:15 Atlanta (ATL) S 13:46 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 757-300 (753) 5:31 Effective 2026-07-10 through 2026-08-30 Codeshare flight, operated by Delta Air Lines.(DL 648)
Fri-Sun 21:35 Atlanta (ATL) S 00:03 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 737-900 (739) 5:28 Effective 2026-09-04 through 2026-10-04 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Fri-Sun 21:35 Atlanta (ATL) S 00:09 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 737-900 (739) 5:34 Effective 2026-10-09 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Fri-Sun 21:35 Atlanta (ATL) S 00:03 Seattle-Tacoma (SEA) SAS SK 3750 Non-stop Boeing 737-900 (739) 5:28 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 903) The flight arrives 1 day after departure.
Tue,Fri,Sun 09:30 Atlanta (ATL) N 11:56 Seattle-Tacoma (SEA) Finnair AY 4612 Non-stop Boeing 737 (73J) 5:26 Effective 2026-05-15 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 377)
Tue,Fri,Sun 09:30 Atlanta (ATL) N 11:57 Seattle-Tacoma (SEA) Finnair AY 4612 Non-stop Boeing 737 (73J) 5:27 Effective 2026-06-12 through 2026-08-14 Codeshare flight, operated by Alaska Airlines.(AS 533)
Mon,Fri 09:30 Atlanta (ATL) N 11:57 Seattle-Tacoma (SEA) Finnair AY 4612 Non-stop Boeing 737 (73J) 5:27 Effective 2026-08-17 through 2026-09-28 Codeshare flight, operated by Alaska Airlines.(AS 533)
Thu 19:07 Atlanta (ATL) N 21:49 Seattle-Tacoma (SEA) Hawaiian Airlines HA 4708 Non-stop Boeing 737 (737) 5:42 Effective 2026-02-12 through 2026-02-26 Codeshare flight, operated by Alaska Airlines.(AS 124)
Mon-Wed,Fri-Sun 19:07 Atlanta (ATL) N 21:49 Seattle-Tacoma (SEA) Hawaiian Airlines HA 4708 Non-stop Boeing 737 MAX 9 (7M9) 5:42 Effective 2026-02-13 through 2026-03-04 Codeshare flight, operated by Alaska Airlines.(AS 124)
Tue,Thu-Sat 19:07 Atlanta (ATL) N 21:49 Seattle-Tacoma (SEA) Hawaiian Airlines HA 4708 Non-stop Boeing 737 MAX 9 (7M9) 5:42 Effective 2026-03-05 through 2026-03-10 Codeshare flight, operated by Alaska Airlines.(AS 124)
Mon,Sun 19:07 Atlanta (ATL) N 21:49 Seattle-Tacoma (SEA) Hawaiian Airlines HA 4708 Non-stop Boeing 737 (737) 5:42 Effective 2026-03-08 through 2026-03-09 Codeshare flight, operated by Alaska Airlines.(AS 124)
Wed 17:20 Atlanta (ATL) N 19:47 Seattle-Tacoma (SEA) Hawaiian Airlines HA 4711 Non-stop Boeing 737 (737) 5:27 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 124)
Daily 17:20 Atlanta (ATL) N 19:59 Seattle-Tacoma (SEA) Hawaiian Airlines HA 4711 Non-stop Boeing 737 (737) 5:39 Effective 2026-03-19 through 2026-04-21 Codeshare flight, operated by Alaska Airlines.(AS 124)
Daily 19:07 Atlanta (ATL) N 21:49 Seattle-Tacoma (SEA) Hawaiian Airlines HA 4711 Non-stop Boeing 737 MAX 9 (7M9) 5:42 Effective 2026-03-11 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 124)

1 2 3 ... 5 6 7 8 9 10 11 12

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 5:19 and 5:46.

Return (SEA-ATL) flights

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

FLIGHT SCHEDULE

Direct Codeshare Flights:

Aeromexico AM3344

16:29

Atlanta (ATL) S

19:00

Seattle-Tacoma (SEA)

Effective 2026-01-05 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:

Aeromexico AM3344

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:

Aeromexico AM3344

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:

Air France AF3487

21:20

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Valid until 2026-01-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

Direct Codeshare Flights:

Air France AF3487

21:22

Atlanta (ATL) S

23:52

Seattle-Tacoma (SEA)

Effective 2026-03-09 through 2026-03-12

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:

Air France AF3487

21:22

Atlanta (ATL) S

23:54

Seattle-Tacoma (SEA)

Effective 2026-03-16 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:

Air France AF3487

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:

Air France AF3487

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:

Air France AF3487

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:

SAS SK3639

09:40

Atlanta (ATL) S

12:11

Seattle-Tacoma (SEA)

Effective 2026-09-11 through 2026-10-04

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:

SAS SK3639

09:40

Atlanta (ATL) S

12:23

Seattle-Tacoma (SEA)

Effective 2026-10-09 through 2026-10-24

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)

Direct Codeshare Flights:

SAS SK3639

09:40

Atlanta (ATL) S

12:11

Seattle-Tacoma (SEA)

Effective from 2026-10-25

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:

SAS SK3639

11:15

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2026-06-09 through 2026-06-30

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:

SAS SK3639

11:15

Atlanta (ATL) S

13:46

Seattle-Tacoma (SEA)

Effective 2026-07-07 through 2026-09-01

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:

SAS SK3639

11:15

Atlanta (ATL) S

13:46

Seattle-Tacoma (SEA)

Effective 2026-09-04 through 2026-09-08

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:

SAS SK3639

21:20

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

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

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

Direct Codeshare Flights:

SAS SK3639

21:22

Atlanta (ATL) S

23:52

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-12

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:

SAS SK3639

21:22

Atlanta (ATL) S

23:54

Seattle-Tacoma (SEA)

Effective 2026-03-15 through 2026-03-29

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:

SAS SK3639

21:22

Atlanta (ATL) S

23:54

Seattle-Tacoma (SEA)

Effective 2026-04-05 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:

SAS SK3639

21:35

Atlanta (ATL) S

00:06(+1)

Seattle-Tacoma (SEA)

Effective 2026-04-14 through 2026-05-17

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:

SAS SK3639

21:35

Atlanta (ATL) S

00:06(+1)

Seattle-Tacoma (SEA)

Effective 2026-05-18 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:

SAS SK3639

21:35

Atlanta (ATL) S

00:03(+1)

Seattle-Tacoma (SEA)

Effective 2026-07-09 through 2026-09-03

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:

SAS SK3639

21:35

Atlanta (ATL) S

00:03(+1)

Seattle-Tacoma (SEA)

Effective 2026-09-07 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:

SAS SK3639

21:35

Atlanta (ATL) S

00:09(+1)

Seattle-Tacoma (SEA)

Effective 2026-10-08 through 2026-10-22

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:

SAS SK3639

21:35

Atlanta (ATL) S

00:03(+1)

Seattle-Tacoma (SEA)

Effective from 2026-10-26

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:

Aeromexico AM3704

21:20

Atlanta (ATL) S

23:58

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

Direct Codeshare Flights:

Aeromexico AM3704

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:

Aeromexico AM3704

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:

Aeromexico AM3704

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:

Aeromexico AM3704

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:

Aeromexico AM3704

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:

SAS SK3750

09:40

Atlanta (ATL) S

12:16

Seattle-Tacoma (SEA)

Effective 2026-05-22 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:

SAS SK3750

09:40

Atlanta (ATL) S

12:11

Seattle-Tacoma (SEA)

Effective 2026-09-15 through 2026-09-29

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:

SAS SK3750

09:40

Atlanta (ATL) S

12:23

Seattle-Tacoma (SEA)

Effective 2026-10-06 through 2026-10-20

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)

Direct Codeshare Flights:

SAS SK3750

09:40

Atlanta (ATL) S

12:11

Seattle-Tacoma (SEA)

Effective from 2026-10-27

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:

SAS SK3750

11:15

Atlanta (ATL) S

13:44

Seattle-Tacoma (SEA)

Effective 2026-06-07 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:

SAS SK3750

11:15

Atlanta (ATL) S

13:46

Seattle-Tacoma (SEA)

Effective 2026-07-10 through 2026-08-30

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:

SAS SK3750

21:35

Atlanta (ATL) S

00:03(+1)

Seattle-Tacoma (SEA)

Effective 2026-09-04 through 2026-10-04

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:

SAS SK3750

21:35

Atlanta (ATL) S

00:09(+1)

Seattle-Tacoma (SEA)

Effective 2026-10-09 through 2026-10-24

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:

SAS SK3750

21:35

Atlanta (ATL) S

00:03(+1)

Seattle-Tacoma (SEA)

Effective from 2026-10-25

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:

Finnair AY4612

09:30

Atlanta (ATL) N

11:56

Seattle-Tacoma (SEA)

Effective 2026-05-15 through 2026-06-09

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 377)

Duration: 5:26, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Finnair AY4612

09:30

Atlanta (ATL) N

11:57

Seattle-Tacoma (SEA)

Effective 2026-06-12 through 2026-08-14

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 533)

Duration: 5:27, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Finnair AY4612

09:30

Atlanta (ATL) N

11:57

Seattle-Tacoma (SEA)

Effective 2026-08-17 through 2026-09-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 533)

Duration: 5:27, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Hawaiian Airlines HA4708

19:07

Atlanta (ATL) N

21:49

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 124)

Duration: 5:42, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA4708

19:07

Atlanta (ATL) N

21:49

Seattle-Tacoma (SEA)

Effective 2026-02-13 through 2026-03-04

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 124)

Duration: 5:42, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA4708

19:07

Atlanta (ATL) N

21:49

Seattle-Tacoma (SEA)

Effective 2026-03-05 through 2026-03-10

Mon
-

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 124)

Duration: 5:42, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Hawaiian Airlines HA4708

19:07

Atlanta (ATL) N

21:49

Seattle-Tacoma (SEA)

Effective 2026-03-08 through 2026-03-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 124)

Duration: 5:42, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA4711

17:20

Atlanta (ATL) N

19:47

Seattle-Tacoma (SEA)

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 124)

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

Direct Codeshare Flights:

Hawaiian Airlines HA4711

17:20

Atlanta (ATL) N

19:59

Seattle-Tacoma (SEA)

Effective 2026-03-19 through 2026-04-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 124)

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

Direct Codeshare Flights:

Hawaiian Airlines HA4711

19:07

Atlanta (ATL) N

21:49

Seattle-Tacoma (SEA)

Effective 2026-03-11 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 124)

Duration: 5:42, non-stop
Boeing 737 MAX 9 (7M9)

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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 5:19 and 5:46.

Return (SEA-ATL) flights

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