All airlines flying from Seattle-Tacoma (SEA) to Philadelphia (PHL).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 21:45 Seattle-Tacoma (SEA) 06:01 Philadelphia (PHL) D
Alaska Airlines AS 371 Non-stop Boeing 737 (73J) 5:16 Effective 2025-10-04 through 2025-10-31
The flight arrives 1 day after departure.
Sat 21:45 Seattle-Tacoma (SEA) 05:01 Philadelphia (PHL) D
Alaska Airlines AS 371 Non-stop Boeing 737 (73J) 5:16 Operates only on 2025-11-01
The flight arrives 1 day after departure.
Daily 21:45 Seattle-Tacoma (SEA) 06:01 Philadelphia (PHL) D
Alaska Airlines AS 371 Non-stop Boeing 737 (73J) 5:16 Effective 2025-11-02 through 2026-01-06
The flight arrives 1 day after departure.
Daily 09:15 Seattle-Tacoma (SEA) 17:31 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:16 Effective from 2025-10-04
Daily 09:37 Seattle-Tacoma (SEA) 17:53 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:16 Valid until 2025-05-04
Mon 09:37 Seattle-Tacoma (SEA) 17:53 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737-800 (73H) 5:16 Operates only on 2025-05-05
Tue-Sun 09:37 Seattle-Tacoma (SEA) 17:53 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:16 Effective 2025-05-06 through 2025-05-11
Mon,Tue 09:37 Seattle-Tacoma (SEA) 17:53 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:16 Effective 2025-05-12 through 2025-05-13
Wed 09:37 Seattle-Tacoma (SEA) 17:53 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:16 Operates only on 2025-05-14
Daily 09:37 Seattle-Tacoma (SEA) 17:58 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:21 Effective 2025-08-20 through 2025-10-03
Mon-Fri,Sun 09:40 Seattle-Tacoma (SEA) 17:54 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2025-05-15 through 2025-05-23
Sat 09:40 Seattle-Tacoma (SEA) 17:54 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:14 Operates only on 2025-05-17
Mon,Wed-Sat 09:40 Seattle-Tacoma (SEA) 17:54 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2025-05-24 through 2025-06-02
Tue,Sun 09:40 Seattle-Tacoma (SEA) 17:54 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:14 Effective 2025-05-25 through 2025-06-01
Mon-Sat 09:40 Seattle-Tacoma (SEA) 17:54 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:14 Effective 2025-06-03 through 2025-06-11
Sun 09:40 Seattle-Tacoma (SEA) 17:54 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:14 Operates only on 2025-06-08
Tue-Sun 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-06-12 through 2025-06-20
Mon,Sat 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:05 Effective 2025-06-16 through 2025-06-23
Tue,Wed,Fri,Sun 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-06-22 through 2025-06-29
Thu,Sat 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:05 Effective 2025-06-26 through 2025-07-03
Mon-Wed,Fri,Sat 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-06-30 through 2025-07-09
Sun 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:05 Operates only on 2025-07-06
Tue-Sun 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-07-10 through 2025-07-20
Mon 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:05 Operates only on 2025-07-14
Daily 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-07-21 through 2025-08-03
Mon 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:05 Effective 2025-08-04 through 2025-08-11
Tue-Sun 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-08-05 through 2025-08-15
Tue,Sat 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:05 Effective 2025-08-16 through 2025-08-19
Mon,Sun 09:42 Seattle-Tacoma (SEA) 17:47 Philadelphia (PHL) D
Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:05 Effective 2025-08-17 through 2025-08-18
Daily 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Effective 2025-06-12 through 2025-06-21
The flight arrives 1 day after departure.
Wed,Sun 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:10 Effective 2025-06-22 through 2025-06-25
The flight arrives 1 day after departure.
Mon,Tue,Thu-Sun 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Effective 2025-06-23 through 2025-07-01
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Effective 2025-07-02 through 2025-07-09
The flight arrives 1 day after departure.
Thu 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:10 Effective 2025-07-10 through 2025-07-24
The flight arrives 1 day after departure.
Mon-Wed,Fri-Sun 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Effective 2025-07-11 through 2025-07-30
The flight arrives 1 day after departure.
Daily 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Effective 2025-07-31 through 2025-08-19
The flight arrives 1 day after departure.
Daily 21:25 Seattle-Tacoma (SEA) 05:40 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:15 Effective 2025-05-15 through 2025-05-23
The flight arrives 1 day after departure.
Sat 21:25 Seattle-Tacoma (SEA) 05:40 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:15 Operates only on 2025-05-24
The flight arrives 1 day after departure.
Daily 21:25 Seattle-Tacoma (SEA) 05:40 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:15 Effective 2025-05-25 through 2025-06-01
The flight arrives 1 day after departure.
Mon 21:25 Seattle-Tacoma (SEA) 05:40 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:15 Operates only on 2025-06-02
The flight arrives 1 day after departure.
Daily 21:25 Seattle-Tacoma (SEA) 05:40 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:15 Effective 2025-06-03 through 2025-06-10
The flight arrives 1 day after departure.
Wed 21:25 Seattle-Tacoma (SEA) 05:40 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:15 Operates only on 2025-06-11
The flight arrives 1 day after departure.
Daily 21:29 Seattle-Tacoma (SEA) 05:44 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:15 Valid until 2025-05-01
The flight arrives 1 day after departure.
Fri 21:29 Seattle-Tacoma (SEA) 05:44 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:15 Operates only on 2025-05-02
The flight arrives 1 day after departure.
Daily 21:29 Seattle-Tacoma (SEA) 05:44 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 MAX 9 (7M9) 5:15 Effective 2025-05-03 through 2025-05-14
The flight arrives 1 day after departure.
Daily 21:30 Seattle-Tacoma (SEA) 05:45 Philadelphia (PHL) D
Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:15 Effective 2025-08-20 through 2025-10-03
The flight arrives 1 day after departure.
Daily 22:41 Seattle-Tacoma (SEA) 06:48 Philadelphia (PHL)
American Airlines AA 1358 Non-stop Airbus A321 (321) 5:07 Effective 2025-06-05 through 2025-07-04
The flight arrives 1 day after departure.
Daily 22:43 Seattle-Tacoma (SEA) 06:50 Philadelphia (PHL)
American Airlines AA 1358 Non-stop Airbus A321neo (32Q) 5:07 Effective 2025-07-05 through 2025-08-05
The flight arrives 1 day after departure.
Mon,Thu-Sun 22:59 Seattle-Tacoma (SEA) 07:06 Philadelphia (PHL)
American Airlines AA 1358 Non-stop Airbus A321neo (32Q) 5:07 Valid until 2025-05-04
The flight arrives 1 day after departure.
Mon-Fri,Sun 23:31 Seattle-Tacoma (SEA) 07:35 Philadelphia (PHL)
American Airlines AA 2361 Non-stop Airbus A321neo (32Q) 5:04 Effective 2025-10-26 through 2025-10-31
The flight arrives 1 day after departure.
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All airlines flying from Seattle-Tacoma (SEA) to Philadelphia (PHL).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS371
21:45
Seattle-Tacoma (SEA)

06:01(+1)
Philadelphia (PHL) D
Effective 2025-10-04 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:16, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS371
21:45
Seattle-Tacoma (SEA)

05:01(+1)
Philadelphia (PHL) D
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:16, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS371
21:45
Seattle-Tacoma (SEA)

06:01(+1)
Philadelphia (PHL) D
Effective 2025-11-02 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:16, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS442
09:15
Seattle-Tacoma (SEA)

17:31
Philadelphia (PHL) D
Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:16, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:37
Seattle-Tacoma (SEA)

17:53
Philadelphia (PHL) D
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:16, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:37
Seattle-Tacoma (SEA)

17:53
Philadelphia (PHL) D
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:16, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS442
09:37
Seattle-Tacoma (SEA)

17:53
Philadelphia (PHL) D
Effective 2025-05-06 through 2025-05-11
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:16, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:37
Seattle-Tacoma (SEA)

17:53
Philadelphia (PHL) D
Effective 2025-05-12 through 2025-05-13
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:16, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:37
Seattle-Tacoma (SEA)

17:53
Philadelphia (PHL) D
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:16, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:37
Seattle-Tacoma (SEA)

17:58
Philadelphia (PHL) D
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:21, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:40
Seattle-Tacoma (SEA)

17:54
Philadelphia (PHL) D
Effective 2025-05-15 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:40
Seattle-Tacoma (SEA)

17:54
Philadelphia (PHL) D
Operates only on 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:14, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:40
Seattle-Tacoma (SEA)

17:54
Philadelphia (PHL) D
Effective 2025-05-24 through 2025-06-02
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:40
Seattle-Tacoma (SEA)

17:54
Philadelphia (PHL) D
Effective 2025-05-25 through 2025-06-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:14, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:40
Seattle-Tacoma (SEA)

17:54
Philadelphia (PHL) D
Effective 2025-06-03 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:14, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:40
Seattle-Tacoma (SEA)

17:54
Philadelphia (PHL) D
Operates only on 2025-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:14, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-06-12 through 2025-06-20
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-06-16 through 2025-06-23
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:05, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-06-22 through 2025-06-29
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-06-26 through 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 5:05, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-06-30 through 2025-07-09
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:05, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-07-10 through 2025-07-20
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Operates only on 2025-07-14
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:05, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-07-21 through 2025-08-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-08-04 through 2025-08-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:05, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-08-05 through 2025-08-15
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-08-16 through 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:05, non-stop
Boeing 737 (73J)
Alaska Airlines AS442
09:42
Seattle-Tacoma (SEA)

17:47
Philadelphia (PHL) D
Effective 2025-08-17 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:05, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS444
21:15
Seattle-Tacoma (SEA)

05:25(+1)
Philadelphia (PHL) D
Effective 2025-06-12 through 2025-06-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:15
Seattle-Tacoma (SEA)

05:25(+1)
Philadelphia (PHL) D
Effective 2025-06-22 through 2025-06-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:15
Seattle-Tacoma (SEA)

05:25(+1)
Philadelphia (PHL) D
Effective 2025-06-23 through 2025-07-01
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:15
Seattle-Tacoma (SEA)

05:25(+1)
Philadelphia (PHL) D
Effective 2025-07-02 through 2025-07-09
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:15
Seattle-Tacoma (SEA)

05:25(+1)
Philadelphia (PHL) D
Effective 2025-07-10 through 2025-07-24
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:10, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:15
Seattle-Tacoma (SEA)

05:25(+1)
Philadelphia (PHL) D
Effective 2025-07-11 through 2025-07-30
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:15
Seattle-Tacoma (SEA)

05:25(+1)
Philadelphia (PHL) D
Effective 2025-07-31 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:25
Seattle-Tacoma (SEA)

05:40(+1)
Philadelphia (PHL) D
Effective 2025-05-15 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:25
Seattle-Tacoma (SEA)

05:40(+1)
Philadelphia (PHL) D
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:25
Seattle-Tacoma (SEA)

05:40(+1)
Philadelphia (PHL) D
Effective 2025-05-25 through 2025-06-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:25
Seattle-Tacoma (SEA)

05:40(+1)
Philadelphia (PHL) D
Operates only on 2025-06-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:25
Seattle-Tacoma (SEA)

05:40(+1)
Philadelphia (PHL) D
Effective 2025-06-03 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:25
Seattle-Tacoma (SEA)

05:40(+1)
Philadelphia (PHL) D
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:29
Seattle-Tacoma (SEA)

05:44(+1)
Philadelphia (PHL) D
Valid until 2025-05-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:29
Seattle-Tacoma (SEA)

05:44(+1)
Philadelphia (PHL) D
Operates only on 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:29
Seattle-Tacoma (SEA)

05:44(+1)
Philadelphia (PHL) D
Effective 2025-05-03 through 2025-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS444
21:30
Seattle-Tacoma (SEA)

05:45(+1)
Philadelphia (PHL) D
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
American Airlines AA1358
22:41
Seattle-Tacoma (SEA)

06:48(+1)
Philadelphia (PHL)
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:07, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
American Airlines AA1358
22:43
Seattle-Tacoma (SEA)

06:50(+1)
Philadelphia (PHL)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:07, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
American Airlines AA1358
22:59
Seattle-Tacoma (SEA)

07:06(+1)
Philadelphia (PHL)
Valid until 2025-05-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:07, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
American Airlines AA2361
23:31
Seattle-Tacoma (SEA)

07:35(+1)
Philadelphia (PHL)
Effective 2025-10-26 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:04, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Philadelphia airport (PHL).
  • The flight distance is 2371 miles, or 3815 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:53 and 5:21.
Return (PHL-SEA) flights
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