Alaska Airlines flight AS 348: Seattle-Tacoma - Dulles, Washington

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FLIGHT SCHEDULE
Direct Flights:
Sat 10:45 Seattle-Tacoma (SEA) 16:11 Minneapolis/Saint Paul (MSP) 1 AS 348 Non-stop Boeing 737 (73J) 3:26 Operates only on 2025-05-17
Sat 10:45 Seattle-Tacoma (SEA) 16:11 Minneapolis/Saint Paul (MSP) 1 AS 348 Non-stop Boeing 737 MAX 9 (7M9) 3:26 Effective 2025-05-24 through 2025-06-07
Daily 15:55 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:03 Effective 2025-08-20 through 2025-10-03
Mon,Tue,Thu-Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:00 Effective 2025-06-12 through 2025-06-21
Wed,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-06-15 through 2025-06-22
Mon,Wed,Fri,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-06-23 through 2025-06-29
Mon,Tue,Thu,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:00 Effective 2025-06-24 through 2025-07-01
Mon,Wed,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:00 Effective 2025-07-02 through 2025-07-07
Tue-Fri,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-03 through 2025-07-10
Daily 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:00 Effective 2025-07-11 through 2025-07-19
Mon,Tue,Thu,Sat,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-20 through 2025-07-27
Mon-Wed,Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:00 Effective 2025-07-23 through 2025-08-01
Mon,Tue,Thu,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-31 through 2025-08-07
Wed,Fri,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:00 Effective 2025-08-02 through 2025-08-08
Mon,Tue,Thu,Sat,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-08-09 through 2025-08-17
Mon,Wed,Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 5:00 Effective 2025-08-13 through 2025-08-18
Tue 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Operates only on 2025-08-19
Daily 16:00 Seattle-Tacoma (SEA) 23:49 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 4:49 Effective 2025-10-04 through 2025-11-20
Mon,Thu,Sun 16:24 Seattle-Tacoma (SEA) 00:23 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Valid until 2025-05-01 The flight arrives 1 day after departure.
Fri 16:24 Seattle-Tacoma (SEA) 00:23 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737-800 (73H) 4:59 Valid until 2025-05-09 The flight arrives 1 day after departure.
Sun 16:24 Seattle-Tacoma (SEA) 00:23 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 (73J) 4:59 Operates only on 2025-05-04 The flight arrives 1 day after departure.
Mon,Thu,Sun 16:24 Seattle-Tacoma (SEA) 00:23 Dulles, Washington (IAD) AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Effective 2025-05-05 through 2025-05-12 The flight arrives 1 day after departure.

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Parallax here SEA-IAD

AS 348 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
The flight distance is 2299 miles, or 3699 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 3:26 and 5:03.

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Alaska Airlines flight AS 348:
Seattle-Tacoma - Dulles, Washington

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS348

10:45

Seattle-Tacoma (SEA)

16:11

Minneapolis/Saint Paul (MSP) 1

Operates only on 2025-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:26, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

10:45

Seattle-Tacoma (SEA)

16:11

Minneapolis/Saint Paul (MSP) 1

Effective 2025-05-24 through 2025-06-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:26, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

15:55

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:03, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-12 through 2025-06-21

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-15 through 2025-06-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-23 through 2025-06-29

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-24 through 2025-07-01

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-02 through 2025-07-07

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-03 through 2025-07-10

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-11 through 2025-07-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:00, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-20 through 2025-07-27

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-23 through 2025-08-01

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-31 through 2025-08-07

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-02 through 2025-08-08

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-09 through 2025-08-17

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-13 through 2025-08-18

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Operates only on 2025-08-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Alaska Airlines AS348

16:00

Seattle-Tacoma (SEA)

23:49

Dulles, Washington (IAD)

Effective 2025-10-04 through 2025-11-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:49, non-stop
Boeing 737 (73J)

Alaska Airlines AS348

16:24

Seattle-Tacoma (SEA)

00:23(+1)

Dulles, Washington (IAD)

Valid until 2025-05-01

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Alaska Airlines AS348

16:24

Seattle-Tacoma (SEA)

00:23(+1)

Dulles, Washington (IAD)

Valid until 2025-05-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:59, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Alaska Airlines AS348

16:24

Seattle-Tacoma (SEA)

00:23(+1)

Dulles, Washington (IAD)

Operates only on 2025-05-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:59, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Alaska Airlines AS348

16:24

Seattle-Tacoma (SEA)

00:23(+1)

Dulles, Washington (IAD)

Effective 2025-05-05 through 2025-05-12

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

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Parallax here SEA-IAD

AS 348 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
The flight distance is 2299 miles, or 3699 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 3:26 and 5:03.

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All SEA-IAD flights

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