| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
08:15
Washington Dulles (IAD)
10:20
Denver (DEN) UA 1424 Non-stop Airbus A321neo (32Q) 4:05 Effective 2026-03-29 through 2026-04-29 |
| Daily
08:15
Washington Dulles (IAD)
10:10
Denver (DEN) UA 1424 Non-stop Boeing 757-300 (753) 3:55 Effective 2026-04-30 through 2026-05-20 |
| Daily
08:15
Washington Dulles (IAD)
10:10
Denver (DEN) UA 1424 Non-stop Boeing 737-900 (739) 3:55 Effective from 2026-05-21 |
| Daily
11:15
Denver (DEN)
13:14
Seattle-Tacoma (SEA) UA 1424 Non-stop Boeing 737-800 (738) 2:59 Effective 2026-03-29 through 2026-04-29 |
| Daily
11:21
Denver (DEN)
13:20
Seattle-Tacoma (SEA) UA 1424 Non-stop Boeing 737-800 (738) 2:59 Effective from 2026-04-30 |
| Mon,Tue,Thu-Sun
11:42
Denver (DEN)
13:46
Seattle-Tacoma (SEA) UA 1424 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-03-05 through 2026-03-17 |
| Wed
11:42
Denver (DEN)
13:46
Seattle-Tacoma (SEA) UA 1424 Non-stop Airbus A319 (319) 3:04 Operates only on 2026-03-11 |
| Daily
11:42
Denver (DEN)
13:46
Seattle-Tacoma (SEA) UA 1424 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-03-18 through 2026-03-28 |
| Mon-Thu
11:50
Denver (DEN)
13:58
Seattle-Tacoma (SEA) UA 1424 Non-stop Airbus A320 (320) 3:08 Valid until 2026-01-05 |
| Fri-Sun
11:50
Denver (DEN)
13:58
Seattle-Tacoma (SEA) UA 1424 Non-stop Airbus A319 (319) 3:08 Valid until 2026-01-04 |
| Mon-Fri,Sun
11:50
Denver (DEN)
13:57
Seattle-Tacoma (SEA) UA 1424 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-01-06 through 2026-02-11 |
| Sat
11:50
Denver (DEN)
13:58
Seattle-Tacoma (SEA) UA 1424 Non-stop Airbus A321neo (32Q) 3:08 Effective 2026-01-10 through 2026-02-07 |
| Mon-Fri
17:20
Seattle-Tacoma (SEA)
19:37
San Francisco (SFO) 3 UA 1424 Non-stop Airbus A319 (319) 2:17 Effective 2026-02-12 through 2026-03-04 |
| Sat
17:20
Seattle-Tacoma (SEA)
19:37
San Francisco (SFO) 3 UA 1424 Non-stop Airbus A320 (320) 2:17 Effective 2026-02-14 through 2026-02-28 |
| Sun
17:20
Seattle-Tacoma (SEA)
19:36
San Francisco (SFO) 3 UA 1424 Non-stop Boeing 737-800 (738) 2:16 Effective 2026-02-15 through 2026-03-01 |
| Mon,Thu-Sun
23:13
San Francisco (SFO) 3
07:27
Baltimore (BWI) UA 1424 Non-stop Boeing 737 MAX 8 (7M8) 5:14 Effective 2026-02-12 through 2026-03-02 The flight arrives 1 day after departure. |
| Non-Direct Flights: |
| Daily
08:15
Washington Dulles (IAD)
13:14
Seattle-Tacoma (SEA) UA 1424 1-stop Airbus A321neo (32Q) 7:59 Effective 2026-03-29 through 2026-04-29 |
| Daily
08:15
Washington Dulles (IAD)
13:20
Seattle-Tacoma (SEA) UA 1424 1-stop Boeing 757-300 (753) 8:05 Effective 2026-04-30 through 2026-05-20 |
| Daily
08:15
Washington Dulles (IAD)
13:20
Seattle-Tacoma (SEA) UA 1424 1-stop Boeing 737-900 (739) 8:05 Effective from 2026-05-21 |
| Mon,Thu,Fri
17:20
Seattle-Tacoma (SEA)
07:27
Baltimore (BWI) UA 1424 1-stop Airbus A319 (319) 11:07 Effective 2026-02-12 through 2026-03-02 The flight arrives 1 day after departure. |
| Sat
17:20
Seattle-Tacoma (SEA)
07:27
Baltimore (BWI) UA 1424 1-stop Airbus A320 (320) 11:07 Effective 2026-02-14 through 2026-02-28 The flight arrives 1 day after departure. |
| Sun
17:20
Seattle-Tacoma (SEA)
07:27
Baltimore (BWI) UA 1424 1-stop Boeing 737-800 (738) 11:07 Effective 2026-02-15 through 2026-03-01 The flight arrives 1 day after departure. |