UA1255
UA1255 (United Airlines) is a multi-stop service on 2 routes, busiest Spokane to Denver. Of 691 departures recorded from October 2024 to July 2026, 79.4% left on time, according to the US BTS.
- On-time departures79.4%of 691 flights
- Average delay12.7 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.1%
- Legs flown under this number2
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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 57 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 212 | 212 | 0.0% |
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 | 87.1% | 87.1% | 0.0% |
| February | 75.0% | 89.3% | ▲ 19.1% |
| March | 83.9% | 67.7% | ▼ 19.2% |
| April | 70.0% | 90.0% | ▲ 28.6% |
| May | 64.5% | 90.3% | ▲ 40.0% |
| June | 66.7% | 75.9% | ▲ 13.8% |
| July | 67.7% | 74.2% | ▲ 9.5% |
| August | 87.1% | – | – |
| September | 73.3% | – | – |
| October | 78.4% | – | in progress |
| November | 84.2% | – | – |
| December | 78.1% | – | – |
| Year-to-date average (Jan–Jul) | 73.6% | 82.1% | ▲ 11.6% |
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 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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% 690
- 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 |
|---|---|---|---|---|
| GEG DEN Spokane International Airport – Denver International Airport | 1,343 | 13.4 min | 78.6% | 656 |
| DEN MEM Denver International Airport – Frederick W. Smith International Airport | 1,401 | -0.4 min | 94.3% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 30 | 30 | 66.7% | 0 |
| July 2025 | 31 | 31 | 67.7% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 37 | 37 | 78.4% | 0 |
| November 2025 | 57 | 57 | 84.2% | 0 |
| December 2025 | 32 | 32 | 78.1% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 31 | 31 | 67.7% | 0 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 29 | 75.9% | 1 |
| July 2026 | 31 | 31 | 74.2% | 0 |