UA459
UA459 (United Airlines) is a multi-stop service on 7 routes, busiest Portland to Denver. Of 719 departures recorded from October 2024 to July 2026, 95.1% left on time, according to the US BTS.
- On-time departures95.1%of 719 flights
- Average delay0.3 min
- July 202631▲ 55.0%vs July 2025
- Cancelled0.1%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 62 | 31 | ▼ 50.0% |
| February | 40 | 28 | ▼ 30.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 27 | 31 | ▲ 14.8% |
| June | 23 | 30 | ▲ 30.4% |
| July | 20 | 31 | ▲ 55.0% |
| August | 27 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 233 | 212 | ▼ 9.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 91.9% | 100.0% | ▲ 8.8% |
| February | 97.5% | 92.9% | ▼ 4.8% |
| March | 74.2% | 100.0% | ▲ 34.8% |
| April | 100.0% | 96.7% | ▼ 3.3% |
| May | 100.0% | 96.8% | ▼ 3.2% |
| June | 91.3% | 100.0% | ▲ 9.5% |
| July | 90.0% | 100.0% | ▲ 11.1% |
| August | 96.2% | – | – |
| September | 96.7% | – | – |
| October | 96.8% | – | in progress |
| November | 96.7% | – | – |
| December | 96.8% | – | – |
| Year-to-date average (Jan–Jul) | 92.1% | 98.0% | ▲ 6.4% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 0 |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.9% 718
- Cancelled 0.1% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX DEN Portland International Airport – Denver International Airport | 1,592 | -1.1 min | 96.9% | 604 |
| DEN MSP Denver International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,092 | 3.8 min | 90.8% | 87 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 35 | 97.1% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 60 | 60 | 90.0% | 0 |
| January 2025 | 62 | 62 | 91.9% | 0 |
| February 2025 | 40 | 40 | 97.5% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 27 | 27 | 100.0% | 0 |
| June 2025 | 23 | 23 | 91.3% | 0 |
| July 2025 | 20 | 20 | 90.0% | 0 |
| August 2025 | 27 | 26 | 96.2% | 1 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 31 | 31 | 96.8% | 0 |
| January 2026 | 31 | 31 | 100.0% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 31 | 100.0% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 100.0% | 0 |
| July 2026 | 31 | 31 | 100.0% | 0 |