FLIGHT SCHEDULE |
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Direct Flights: |
Thu
07:00
New York LaGuardia (LGA) B
09:10
Denver (DEN) UA 644 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Operates only on 2025-06-26 |
Mon-Fri,Sun
07:00
New York LaGuardia (LGA) B
09:16
Denver (DEN) UA 644 Non-stop Boeing 737 MAX 8 (7M8) 4:16 Effective 2025-06-27 through 2025-07-31 |
Sat
08:00
New York LaGuardia (LGA) B
10:16
Denver (DEN) UA 644 Non-stop Boeing 737 MAX 8 (7M8) 4:16 Effective 2025-06-28 through 2025-07-26 |
Daily
08:00
Miami (MIA)
10:24
Denver (DEN) UA 644 Non-stop Boeing 737-800 (738) 4:24 Effective 2025-08-01 through 2025-08-18 |
Daily
11:18
Denver (DEN)
13:00
Portland (PDX) UA 644 Non-stop Airbus A321neo (32Q) 2:42 Effective 2025-05-22 through 2025-08-18 |
Daily
11:20
Denver (DEN)
13:03
Portland (PDX) UA 644 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-09-25 through 2025-10-25 |
Daily
11:21
Denver (DEN)
13:15
Portland (PDX) UA 644 Non-stop Airbus A321neo (32Q) 2:54 Effective 2025-08-19 through 2025-09-24 |
Daily
11:21
Denver (DEN)
13:15
Portland (PDX) UA 644 Non-stop Boeing 737 MAX 9 (7M9) 2:54 Effective from 2025-10-26 |
Daily
15:41
Portland (PDX)
17:23
San Francisco (SFO) 3 UA 644 Non-stop Boeing 737-800 (738) 1:42 Effective 2025-12-02 through 2025-12-17 |
Daily
15:41
Portland (PDX)
17:23
San Francisco (SFO) 3 UA 644 Non-stop Boeing 737-800 (738) 1:42 Effective from 2026-02-12 |
Mon-Fri
15:42
Portland (PDX)
17:33
San Francisco (SFO) 3 UA 644 Non-stop Airbus A319 (319) 1:51 Effective 2025-05-22 through 2025-05-30 |
Daily
15:42
Portland (PDX)
17:33
San Francisco (SFO) 3 UA 644 Non-stop Airbus A319 (319) 1:51 Effective 2025-05-31 through 2025-06-25 |
Daily
15:44
Portland (PDX)
17:34
San Francisco (SFO) 3 UA 644 Non-stop Airbus A320 (320) 1:50 Effective 2025-08-19 through 2025-09-24 |
Daily
15:44
Portland (PDX)
17:35
San Francisco (SFO) 3 UA 644 Non-stop Airbus A320 (320) 1:51 Effective 2025-09-25 through 2025-10-25 |
Mon-Fri
15:56
Portland (PDX)
17:48
San Francisco (SFO) 3 UA 644 Non-stop Airbus A320 (320) 1:52 Valid until 2025-05-20 |
Wed
15:56
Portland (PDX)
17:48
San Francisco (SFO) 3 UA 644 Non-stop Boeing 737-900 (739) 1:52 Operates only on 2025-05-21 |
Daily
16:15
Portland (PDX)
18:10
San Francisco (SFO) 3 UA 644 Non-stop Boeing 737-800 (738) 1:55 Effective 2025-10-26 through 2025-12-01 |
Daily
20:55
San Francisco (SFO) 3
22:34
Eugene (EUG) UA 644 Non-stop Airbus A319 (319) 1:39 Effective 2025-08-19 through 2025-09-24 |
Sat
21:00
San Francisco (SFO) 3
04:50
Pittsburgh (PIT) UA 644 Non-stop Boeing 737 MAX 9 (7M9) 4:50 Effective 2025-06-07 through 2025-06-21 The flight arrives 1 day after departure. |
Mon-Fri
21:05
San Francisco (SFO) 3
04:55
Pittsburgh (PIT) UA 644 Non-stop Boeing 737 MAX 9 (7M9) 4:50 Effective 2025-05-22 through 2025-05-30 The flight arrives 1 day after departure. |
Daily
21:05
San Francisco (SFO) 3
04:55
Pittsburgh (PIT) UA 644 Non-stop Boeing 737 MAX 9 (7M9) 4:50 Effective 2025-05-31 through 2025-06-06 The flight arrives 1 day after departure. |
Mon-Fri,Sun
21:05
San Francisco (SFO) 3
04:55
Pittsburgh (PIT) UA 644 Non-stop Boeing 737 MAX 9 (7M9) 4:50 Effective 2025-06-08 through 2025-06-25 The flight arrives 1 day after departure. |
Daily
21:14
San Francisco (SFO) 3
22:50
Eugene (EUG) UA 644 Non-stop Boeing 737-800 (738) 1:36 Effective 2025-09-25 through 2025-10-25 |
Non-Direct Flights: |
Thu
07:00
New York LaGuardia (LGA) B
13:00
Portland (PDX) UA 644 1-stop Boeing 737 MAX 8 (7M8) 9:00 Operates only on 2025-06-26 |
Mon-Fri,Sun
07:00
New York LaGuardia (LGA) B
13:00
Portland (PDX) UA 644 1-stop Boeing 737 MAX 8 (7M8) 9:00 Effective 2025-06-27 through 2025-07-31 |
Sat
08:00
New York LaGuardia (LGA) B
13:00
Portland (PDX) UA 644 1-stop Boeing 737 MAX 8 (7M8) 8:00 Effective 2025-06-28 through 2025-07-26 |
Daily
08:00
Miami (MIA)
13:00
Portland (PDX) UA 644 1-stop Boeing 737-800 (738) 8:00 Effective 2025-08-01 through 2025-08-18 |
Mon-Fri
11:18
Denver (DEN)
17:33
San Francisco (SFO) 3 UA 644 1-stop Airbus A321neo (32Q) 7:15 Effective 2025-05-22 through 2025-05-30 |
Daily
11:18
Denver (DEN)
17:33
San Francisco (SFO) 3 UA 644 1-stop Airbus A321neo (32Q) 7:15 Effective 2025-05-31 through 2025-06-25 |
Daily
11:20
Denver (DEN)
17:35
San Francisco (SFO) 3 UA 644 1-stop Airbus A321neo (32Q) 7:15 Effective 2025-09-25 through 2025-10-25 |
Daily
11:21
Denver (DEN)
17:34
San Francisco (SFO) 3 UA 644 1-stop Airbus A321neo (32Q) 7:13 Effective 2025-08-19 through 2025-09-24 |
Daily
11:21
Denver (DEN)
18:10
San Francisco (SFO) 3 UA 644 1-stop Boeing 737 MAX 9 (7M9) 7:49 Effective 2025-10-26 through 2025-12-01 |
Daily
11:21
Denver (DEN)
17:23
San Francisco (SFO) 3 UA 644 1-stop Boeing 737 MAX 9 (7M9) 7:02 Effective 2025-12-02 through 2025-12-17 |
Daily
11:21
Denver (DEN)
17:23
San Francisco (SFO) 3 UA 644 1-stop Boeing 737 MAX 9 (7M9) 7:02 Effective from 2026-02-12 |
Mon-Fri
15:42
Portland (PDX)
04:55
Pittsburgh (PIT) UA 644 1-stop Airbus A319 (319) 10:13 Effective 2025-05-22 through 2025-05-30 The flight arrives 1 day after departure. |
Daily
15:42
Portland (PDX)
04:55
Pittsburgh (PIT) UA 644 1-stop Airbus A319 (319) 10:13 Effective 2025-05-31 through 2025-06-06 The flight arrives 1 day after departure. |
Sat
15:42
Portland (PDX)
04:50
Pittsburgh (PIT) UA 644 1-stop Airbus A319 (319) 10:08 Effective 2025-06-07 through 2025-06-21 The flight arrives 1 day after departure. |
Mon-Fri,Sun
15:42
Portland (PDX)
04:55
Pittsburgh (PIT) UA 644 1-stop Airbus A319 (319) 10:13 Effective 2025-06-08 through 2025-06-25 The flight arrives 1 day after departure. |
Daily
15:44
Portland (PDX)
22:34
Eugene (EUG) UA 644 1-stop Airbus A320 (320) 6:50 Effective 2025-08-19 through 2025-09-24 |
Daily
15:44
Portland (PDX)
22:50
Eugene (EUG) UA 644 1-stop Airbus A320 (320) 7:06 Effective 2025-09-25 through 2025-10-25 |
Mon-Fri
11:18
Denver (DEN)
04:55
Pittsburgh (PIT) UA 644 2-stop Airbus A321neo (32Q) 15:37 Effective 2025-05-22 through 2025-05-30 The flight arrives 1 day after departure. |
Daily
11:18
Denver (DEN)
04:55
Pittsburgh (PIT) UA 644 2-stop Airbus A321neo (32Q) 15:37 Effective 2025-05-31 through 2025-06-06 The flight arrives 1 day after departure. |
Sat
11:18
Denver (DEN)
04:50
Pittsburgh (PIT) UA 644 2-stop Airbus A321neo (32Q) 15:32 Effective 2025-06-07 through 2025-06-21 The flight arrives 1 day after departure. |
Mon-Fri,Sun
11:18
Denver (DEN)
04:55
Pittsburgh (PIT) UA 644 2-stop Airbus A321neo (32Q) 15:37 Effective 2025-06-08 through 2025-06-25 The flight arrives 1 day after departure. |
Daily
11:20
Denver (DEN)
22:50
Eugene (EUG) UA 644 2-stop Airbus A321neo (32Q) 12:30 Effective 2025-09-25 through 2025-10-25 |
Daily
11:21
Denver (DEN)
22:34
Eugene (EUG) UA 644 2-stop Airbus A321neo (32Q) 12:13 Effective 2025-08-19 through 2025-09-24 |