All airlines flying from Seattle-Tacoma (SEA) to Ronald Reagan Washington (DCA).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue-Sun 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Korean Air KE 6268 Non-stop Boeing 737-800 (73H) 5:03 Effective 2026-02-12 through 2026-02-22 Codeshare flight, operated by Alaska Airlines.(AS 2)
Mon 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Korean Air KE 6268 Non-stop Boeing 737 MAX 8 (7M8) 5:03 Operates only on 2026-02-16 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Korean Air KE 6268 Non-stop Boeing 737-800 (73H) 5:03 Effective 2026-02-23 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 14:00 Seattle-Tacoma (SEA) 21:56 Ronald Reagan Washington (DCA) 2 Korean Air KE 6268 Non-stop Boeing 737-800 (73H) 4:56 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 2)
Wed 13:45 Seattle-Tacoma (SEA) 21:55 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737-800 (73H) 5:10 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 13:48 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737-800 (73H) 5:11 Effective 2026-05-13 through 2026-06-10 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 13:51 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737-800 (73H) 5:08 Effective from 2026-06-11 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 13:55 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737-800 (73H) 5:04 Valid until 2026-02-10 Codeshare flight, operated by Alaska Airlines.(AS 2)
Wed 13:55 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737 MAX 8 (7M8) 5:04 Operates only on 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 2)
Tue-Sun 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737-800 (73H) 5:03 Effective 2026-02-12 through 2026-02-22 Codeshare flight, operated by Alaska Airlines.(AS 2)
Mon 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737 MAX 8 (7M8) 5:03 Operates only on 2026-02-16 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737-800 (73H) 5:03 Effective 2026-02-23 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 14:00 Seattle-Tacoma (SEA) 21:56 Ronald Reagan Washington (DCA) 2 JAL JL 6362 Non-stop Boeing 737-800 (73H) 4:56 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 2)
Wed 13:45 Seattle-Tacoma (SEA) 21:55 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6702 Non-stop Boeing 737 (737) 5:10 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 13:55 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6702 Non-stop Boeing 737 (737) 5:04 Valid until 2026-02-10 Codeshare flight, operated by Alaska Airlines.(AS 2)
Wed 13:55 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6702 Non-stop Boeing 737 MAX 8 (7M8) 5:04 Operates only on 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 2)
Tue-Sun 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6702 Non-stop Boeing 737 (737) 5:03 Effective 2026-02-12 through 2026-02-22 Codeshare flight, operated by Alaska Airlines.(AS 2)
Mon 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6702 Non-stop Boeing 737 MAX 8 (7M8) 5:03 Operates only on 2026-02-16 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 13:56 Seattle-Tacoma (SEA) 21:59 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6702 Non-stop Boeing 737 (737) 5:03 Effective 2026-02-23 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 14:00 Seattle-Tacoma (SEA) 21:56 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6702 Non-stop Boeing 737 (737) 4:56 Effective 2026-03-19 through 2026-04-21 Codeshare flight, operated by Alaska Airlines.(AS 2)
Daily 08:00 Seattle-Tacoma (SEA) 16:05 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6704 Non-stop Boeing 737 (737) 5:05 Valid until 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 4)
Daily 08:00 Seattle-Tacoma (SEA) 16:09 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6704 Non-stop Boeing 737 (737) 5:09 Effective 2026-01-07 through 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 4)
Daily 08:00 Seattle-Tacoma (SEA) 16:06 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6704 Non-stop Boeing 737 (737) 5:06 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by Alaska Airlines.(AS 4)
Mon-Thu,Sat,Sun 08:00 Seattle-Tacoma (SEA) 16:06 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6704 Non-stop Boeing 737 (737) 5:06 Effective 2026-03-08 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 4)
Fri 08:00 Seattle-Tacoma (SEA) 16:06 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6704 Non-stop Boeing 737 MAX 8 (7M8) 5:06 Operates only on 2026-03-13 Codeshare flight, operated by Alaska Airlines.(AS 4)
Wed 08:00 Seattle-Tacoma (SEA) 16:15 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6704 Non-stop Boeing 737 (737) 5:15 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 4)
Daily 08:00 Seattle-Tacoma (SEA) 16:17 Ronald Reagan Washington (DCA) 2 Hawaiian Airlines HA 6704 Non-stop Boeing 737 (737) 5:17 Effective 2026-03-19 through 2026-04-21 Codeshare flight, operated by Alaska Airlines.(AS 4)

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Ronald Reagan Washington airport (DCA).
The flight distance is 2321 miles, or 3736 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 4:56 and 5:17.

Return (DCA-SEA) flights

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All airlines flying from Seattle-Tacoma (SEA) to Ronald Reagan Washington (DCA).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Korean Air KE6268

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective 2026-02-12 through 2026-02-22

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:03, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

Korean Air KE6268

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:03, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Korean Air KE6268

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective 2026-02-23 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:03, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

Korean Air KE6268

14:00

Seattle-Tacoma (SEA)

21:56

Ronald Reagan Washington (DCA) 2

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 4:56, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

JAL JL6362

13:45

Seattle-Tacoma (SEA)

21:55

Ronald Reagan Washington (DCA) 2

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:10, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

JAL JL6362

13:48

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective 2026-05-13 through 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:11, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

JAL JL6362

13:51

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective from 2026-06-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:08, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

JAL JL6362

13:55

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Valid until 2026-02-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:04, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

JAL JL6362

13:55

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:04, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

JAL JL6362

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective 2026-02-12 through 2026-02-22

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:03, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

JAL JL6362

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:03, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

JAL JL6362

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective 2026-02-23 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:03, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

JAL JL6362

14:00

Seattle-Tacoma (SEA)

21:56

Ronald Reagan Washington (DCA) 2

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 4:56, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

Hawaiian Airlines HA6702

13:45

Seattle-Tacoma (SEA)

21:55

Ronald Reagan Washington (DCA) 2

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:10, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6702

13:55

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Valid until 2026-02-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:04, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6702

13:55

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:04, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Hawaiian Airlines HA6702

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective 2026-02-12 through 2026-02-22

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

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

Direct Codeshare Flights:

Hawaiian Airlines HA6702

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 5:03, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Hawaiian Airlines HA6702

13:56

Seattle-Tacoma (SEA)

21:59

Ronald Reagan Washington (DCA) 2

Effective 2026-02-23 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

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

Direct Codeshare Flights:

Hawaiian Airlines HA6702

14:00

Seattle-Tacoma (SEA)

21:56

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 2)

Duration: 4:56, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6704

08:00

Seattle-Tacoma (SEA)

16:05

Ronald Reagan Washington (DCA) 2

Valid until 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 4)

Duration: 5:05, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6704

08:00

Seattle-Tacoma (SEA)

16:09

Ronald Reagan Washington (DCA) 2

Effective 2026-01-07 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 4)

Duration: 5:09, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6704

08:00

Seattle-Tacoma (SEA)

16:06

Ronald Reagan Washington (DCA) 2

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 4)

Duration: 5:06, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6704

08:00

Seattle-Tacoma (SEA)

16:06

Ronald Reagan Washington (DCA) 2

Effective 2026-03-08 through 2026-03-17

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 4)

Duration: 5:06, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6704

08:00

Seattle-Tacoma (SEA)

16:06

Ronald Reagan Washington (DCA) 2

Operates only on 2026-03-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 4)

Duration: 5:06, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Hawaiian Airlines HA6704

08:00

Seattle-Tacoma (SEA)

16:15

Ronald Reagan Washington (DCA) 2

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 4)

Duration: 5:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Hawaiian Airlines HA6704

08:00

Seattle-Tacoma (SEA)

16:17

Ronald Reagan Washington (DCA) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 4)

Duration: 5:17, non-stop
Boeing 737 (737)

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Ronald Reagan Washington airport (DCA).
The flight distance is 2321 miles, or 3736 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 4:56 and 5:17.

Return (DCA-SEA) flights

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