| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Mon-Sat
05:00
Portland (PDX)
08:32
Denver (DEN) UA 459 Non-stop Airbus A321neo (32Q) 2:32 Valid until 2026-01-05 |
| Sun
05:00
Portland (PDX)
08:32
Denver (DEN) UA 459 Non-stop Boeing 737-900 (739) 2:32 Valid until 2026-01-04 |
| Tue
05:00
Portland (PDX)
08:34
Denver (DEN) UA 459 Non-stop Boeing 737-800 (738) 2:34 Operates only on 2026-01-06 |
| Daily
05:00
Portland (PDX)
08:32
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 2:32 Effective 2026-01-07 through 2026-02-03 |
| Thu
05:00
Portland (PDX)
08:34
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 9 (7M9) 2:34 Operates only on 2026-02-05 |
| Mon-Wed,Fri-Sun
05:00
Portland (PDX)
08:32
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 2:32 Effective 2026-02-06 through 2026-02-11 |
| Daily
05:00
Portland (PDX)
08:36
Denver (DEN) UA 459 Non-stop Airbus A321neo (32Q) 2:36 Effective 2026-03-29 through 2026-04-29 |
| Thu
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737-800 (738) 2:33 Operates only on 2026-02-12 |
| Mon,Tue,Thu-Sat
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 9 (7M9) 2:33 Effective 2026-02-13 through 2026-02-23 |
| Sun
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737-900 (739) 2:33 Effective 2026-02-15 through 2026-03-01 |
| Tue,Wed
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 2:33 Effective 2026-02-18 through 2026-03-04 |
| Mon,Thu-Sat
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 9 (7M9) 2:33 Effective 2026-02-26 through 2026-03-07 |
| Tue,Wed,Sat,Sun
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 9 (7M9) 2:33 Effective 2026-03-08 through 2026-03-18 |
| Mon
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737-800 (738) 2:33 Effective 2026-03-09 through 2026-03-23 |
| Thu,Fri
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 2:33 Effective 2026-03-12 through 2026-03-13 |
| Tue-Sun
05:05
Portland (PDX)
08:38
Denver (DEN) UA 459 Non-stop Boeing 737 MAX 9 (7M9) 2:33 Effective 2026-03-19 through 2026-03-28 |
| Daily
05:15
Portland (PDX)
08:48
Denver (DEN) UA 459 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-04-30 through 2026-05-20 |
| Daily
05:15
Portland (PDX)
08:48
Denver (DEN) UA 459 Non-stop Boeing 737-800 (738) 2:33 Effective from 2026-05-21 |
| Wed
09:30
Midland (MAF)
10:59
Houston George Bush (IAH) C UA 459 Non-stop Boeing 737-800 (738) 1:29 Operates only on 2026-02-04 |
| Daily
09:40
Denver (DEN)
15:25
Burlington (BTV) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-05-21 through 2026-06-29 |
| Mon,Thu-Sun
09:40
Denver (DEN)
15:25
Burlington (BTV) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-07-02 through 2026-08-10 |
| Sat
09:40
Denver (DEN)
15:25
Burlington (BTV) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-08-15 through 2026-09-19 |
| Daily
09:40
Denver (DEN)
15:25
Burlington (BTV) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-09-24 through 2026-10-18 |
| Daily
09:40
Denver (DEN)
15:25
Burlington (BTV) UA 459 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective from 2026-10-25 |
| Non-Direct Flights: |
| Daily
05:15
Portland (PDX)
15:25
Burlington (BTV) UA 459 1-stop Boeing 737-800 (738) 7:10 Effective 2026-05-21 through 2026-06-29 |
| Mon,Thu-Sun
05:15
Portland (PDX)
15:25
Burlington (BTV) UA 459 1-stop Boeing 737-800 (738) 7:10 Effective 2026-07-02 through 2026-08-10 |
| Sat
05:15
Portland (PDX)
15:25
Burlington (BTV) UA 459 1-stop Boeing 737-800 (738) 7:10 Effective 2026-08-15 through 2026-09-19 |
| Daily
05:15
Portland (PDX)
15:25
Burlington (BTV) UA 459 1-stop Boeing 737-800 (738) 7:10 Effective 2026-09-24 through 2026-10-18 |
| Daily
05:15
Portland (PDX)
15:25
Burlington (BTV) UA 459 1-stop Boeing 737-800 (738) 7:10 Effective from 2026-10-25 |