UA1248
UA1248 (United Airlines) is a multi-stop service on 15 routes, busiest Denver to Bozeman. Of 321 departures recorded from October 2024 to July 2026, 87.2% left on time, according to the US BTS.
- On-time departures87.2%of 321 flights
- Average delay4.9 min
- July 202631
- Cancelled0.3%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | 16 | 17 | ▲ 6.3% |
| March | 5 | 4 | ▼ 20.0% |
| April | 30 | 30 | 0.0% |
| May | 39 | 31 | ▼ 20.5% |
| June | – | 54 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | 28 | – | – |
| October | 21 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | 81.3% | 100.0% | ▲ 23.1% |
| March | 80.0% | 100.0% | ▲ 25.0% |
| April | 93.3% | 86.7% | ▼ 7.1% |
| May | 82.1% | 83.9% | ▲ 2.2% |
| June | – | 83.3% | – |
| July | – | 87.1% | – |
| August | – | – | – |
| September | 89.3% | – | – |
| October | 90.5% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 99.7% 320
- Cancelled 0.3% 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 |
|---|---|---|---|---|
| DEN BZN Denver International Airport – Bozeman Yellowstone International Airport | 844 | 2.9 min | 89.2% | 37 |
| DEN GRR Denver International Airport – Gerald R. Ford International Airport | 1,629 | 1.2 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 93.3% | 0 |
| February 2025 | 16 | 16 | 81.3% | 0 |
| March 2025 | 5 | 5 | 80.0% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 39 | 39 | 82.1% | 0 |
| September 2025 | 28 | 28 | 89.3% | 0 |
| October 2025 | 21 | 21 | 90.5% | 0 |
| February 2026 | 17 | 17 | 100.0% | 0 |
| March 2026 | 4 | 3 | 100.0% | 1 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 54 | 54 | 83.3% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |