All airlines flying from Ronald Reagan Washington (DCA) to Seattle-Tacoma (SEA).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
11:04
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 6:04 Valid until 2026-01-06 |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
11:09
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 6:09 Effective 2026-01-07 through 2026-02-11 |
| Mon,Wed-Sun
08:00
Ronald Reagan Washington (DCA) 2
11:10
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 6:10 Effective 2026-02-12 through 2026-02-23 |
| Tue
08:00
Ronald Reagan Washington (DCA) 2
11:10
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737 MAX 8 (7M8) 6:10 Operates only on 2026-02-17 |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
11:10
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 6:10 Effective 2026-02-24 through 2026-03-17 |
| Wed
08:00
Ronald Reagan Washington (DCA) 2
10:55
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 5:55 Operates only on 2026-03-18 |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
10:58
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 5:58 Effective 2026-03-19 through 2026-05-12 |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
10:39
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 5:39 Effective 2026-05-13 through 2026-06-09 |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
10:58
Seattle-Tacoma (SEA) Alaska Airlines AS 1 Non-stop Boeing 737-800 (73H) 5:58 Effective from 2026-06-10 |
| Mon,Wed-Sun
17:00
Ronald Reagan Washington (DCA) 2
20:00
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737 MAX 8 (7M8) 6:00 Valid until 2026-01-04 |
| Mon,Tue
17:00
Ronald Reagan Washington (DCA) 2
20:00
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:00 Valid until 2026-01-05 |
| Tue
17:00
Ronald Reagan Washington (DCA) 2
20:00
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737 MAX 8 (7M8) 6:00 Operates only on 2026-01-06 |
| Wed-Sun
17:00
Ronald Reagan Washington (DCA) 2
20:11
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:11 Effective 2026-02-12 through 2026-02-26 |
| Mon,Tue
17:00
Ronald Reagan Washington (DCA) 2
20:11
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737 MAX 8 (7M8) 6:11 Effective 2026-02-16 through 2026-02-24 |
| Mon,Tue,Fri
17:00
Ronald Reagan Washington (DCA) 2
20:11
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737 MAX 8 (7M8) 6:11 Effective 2026-02-27 through 2026-03-06 |
| Wed,Thu,Sat,Sun
17:00
Ronald Reagan Washington (DCA) 2
20:11
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:11 Effective 2026-02-28 through 2026-03-08 |
| Mon-Wed,Sun
17:00
Ronald Reagan Washington (DCA) 2
20:11
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:11 Effective 2026-03-09 through 2026-03-17 |
| Thu-Sat
17:00
Ronald Reagan Washington (DCA) 2
20:11
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737 MAX 8 (7M8) 6:11 Effective 2026-03-12 through 2026-03-14 |
| Daily
17:00
Ronald Reagan Washington (DCA) 2
19:56
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 5:56 Effective 2026-05-13 through 2026-06-09 |
| Daily
17:01
Ronald Reagan Washington (DCA) 2
20:07
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:06 Effective 2026-01-07 through 2026-01-15 |
| Fri
17:01
Ronald Reagan Washington (DCA) 2
20:07
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737 MAX 8 (7M8) 6:06 Effective 2026-01-16 through 2026-01-23 |
| Mon-Thu,Sat,Sun
17:01
Ronald Reagan Washington (DCA) 2
20:07
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:06 Effective 2026-01-17 through 2026-01-29 |
| Wed,Fri,Sat
17:01
Ronald Reagan Washington (DCA) 2
20:07
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:06 Effective 2026-01-30 through 2026-02-04 |
| Mon,Tue,Thu,Fri,Sun
17:01
Ronald Reagan Washington (DCA) 2
20:07
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737 MAX 8 (7M8) 6:06 Effective 2026-02-01 through 2026-02-06 |
| Mon-Wed,Sat,Sun
17:01
Ronald Reagan Washington (DCA) 2
20:07
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:06 Effective 2026-02-07 through 2026-02-11 |
| Wed
17:02
Ronald Reagan Washington (DCA) 2
20:02
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:00 Operates only on 2026-06-10 |
| Daily
17:04
Ronald Reagan Washington (DCA) 2
20:04
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:00 Effective from 2026-06-11 |
| Wed
17:30
Ronald Reagan Washington (DCA) 2
20:25
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 5:55 Operates only on 2026-03-18 |
| Daily
17:30
Ronald Reagan Washington (DCA) 2
20:32
Seattle-Tacoma (SEA) Alaska Airlines AS 3 Non-stop Boeing 737-800 (73H) 6:02 Effective 2026-03-19 through 2026-05-12 |
| Mon
16:45
Ronald Reagan Washington (DCA) 2
19:37
Seattle-Tacoma (SEA) Delta Air Lines DL 689 Non-stop Boeing 757-200 (75W) 5:52 Operates only on 2026-03-09 |
| Mon
16:45
Ronald Reagan Washington (DCA) 2
19:39
Seattle-Tacoma (SEA) Delta Air Lines DL 689 Non-stop Boeing 757-200 (75W) 5:54 Effective 2026-03-16 through 2026-04-06 |
| Daily
16:44
Ronald Reagan Washington (DCA) 2
19:43
Seattle-Tacoma (SEA) Delta Air Lines DL 779 Non-stop Boeing 757-200 (75W) 5:59 Effective 2026-02-12 through 2026-03-07 |
| Daily
16:40
Ronald Reagan Washington (DCA) 2
19:46
Seattle-Tacoma (SEA) Delta Air Lines DL 786 Non-stop Airbus A321neo (32Q) 6:06 Effective 2026-04-13 through 2026-10-05 |
| Daily
16:40
Ronald Reagan Washington (DCA) 2
19:45
Seattle-Tacoma (SEA) Delta Air Lines DL 786 Non-stop Airbus A321neo (32Q) 6:05 Effective from 2026-10-06 |
| Tue-Sun
16:45
Ronald Reagan Washington (DCA) 2
19:37
Seattle-Tacoma (SEA) Delta Air Lines DL 786 Non-stop Boeing 757-200 (75W) 5:52 Effective 2026-03-08 through 2026-03-14 |
| Tue-Sun
16:45
Ronald Reagan Washington (DCA) 2
19:39
Seattle-Tacoma (SEA) Delta Air Lines DL 786 Non-stop Boeing 757-200 (75W) 5:54 Effective 2026-03-15 through 2026-04-12 |
| Daily
16:59
Ronald Reagan Washington (DCA) 2
19:54
Seattle-Tacoma (SEA) Delta Air Lines DL 932 Non-stop Boeing 757-200 (75W) 5:55 Valid until 2026-01-03 |
| Sun
17:00
Ronald Reagan Washington (DCA) 2
19:55
Seattle-Tacoma (SEA) Delta Air Lines DL 932 Non-stop Boeing 757-200 (75W) 5:55 Operates only on 2026-01-04 |
| Daily
16:44
Ronald Reagan Washington (DCA) 2
19:43
Seattle-Tacoma (SEA) Delta Air Lines DL 944 Non-stop Boeing 757-200 (75W) 5:59 Effective 2026-01-05 through 2026-02-11 |
| Non-Direct Flights: |
| Sun
09:00
Ronald Reagan Washington (DCA) 1
13:15
Seattle-Tacoma (SEA) Southwest Airlines WN 2192 1-stop Boeing 737-700 (Scimitar Winglets) 7:15 Effective 2026-03-08 through 2026-04-05 |
| Direct Codeshare Flights: |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
11:04
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 6:04 Valid until 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
11:09
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 6:09 Effective 2026-01-07 through 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Mon,Wed-Sun
08:00
Ronald Reagan Washington (DCA) 2
11:10
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 6:10 Effective 2026-02-12 through 2026-02-23 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Tue
08:00
Ronald Reagan Washington (DCA) 2
11:10
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737 MAX 8 (7M8) 6:10 Operates only on 2026-02-17 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
11:10
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 6:10 Effective 2026-02-24 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Wed
08:00
Ronald Reagan Washington (DCA) 2
10:55
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 5:55 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
10:58
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 5:58 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
10:39
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 5:39 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Daily
08:00
Ronald Reagan Washington (DCA) 2
10:58
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2346 Non-stop Boeing 737-800 (73H) 5:58 Effective from 2026-06-10 Codeshare flight, operated by Alaska Airlines.(AS 1) |
| Mon,Wed-Fri
17:00
Ronald Reagan Washington (DCA) 2
20:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2347 Non-stop Boeing 737 MAX 8 (7M8) 6:00 Valid until 2026-01-02 Codeshare flight, operated by Alaska Airlines.(AS 3) |
- A domestic route departing from the Ronald Reagan Washington airport (DCA) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 2321 miles, or 3736 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 5:39 and 6:11.
