UA1281
UA1281 (United Airlines) is a multi-stop service on 7 routes, busiest Denver to San Diego. Of 843 departures recorded from October 2024 to July 2026, 83.8% left on time, according to the US BTS.
- On-time departures83.8%of 843 flights
- Average delay9.1 min
- July 202630▼ 51.6%vs July 2025
- Cancelled0.4%
- 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 | 31 | 31 | 0.0% |
| February | 28 | 62 | ▲ 121.4% |
| March | 31 | 39 | ▲ 25.8% |
| April | 30 | 30 | 0.0% |
| May | 72 | 31 | ▼ 56.9% |
| June | 85 | 30 | ▼ 64.7% |
| July | 62 | 30 | ▼ 51.6% |
| August | 49 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 339 | 253 | ▼ 25.4% |
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 | 77.4% | 80.7% | ▲ 4.2% |
| February | 89.3% | 88.7% | ▼ 0.6% |
| March | 74.2% | 86.8% | ▲ 17.1% |
| April | 83.3% | 96.7% | ▲ 16.0% |
| May | 80.3% | 93.6% | ▲ 16.5% |
| June | 89.4% | 83.3% | ▼ 6.8% |
| July | 68.9% | 80.0% | ▲ 16.2% |
| August | 71.4% | – | – |
| September | 83.3% | – | – |
| October | 96.8% | – | in progress |
| November | 86.7% | – | – |
| December | 87.1% | – | – |
| Year-to-date average (Jan–Jul) | 80.4% | 87.1% | ▲ 8.3% |
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 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.6% 840
- Cancelled 0.4% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN SAN Denver International Airport – San Diego International Airport | 1,371 | 8.9 min | 82.8% | 600 |
| RAP DEN Rapid City Regional Airport – Denver International Airport | 484 | 14.7 min | 80.7% | 110 |
| EWR CLE Newark Liberty International Airport – Cleveland Hopkins International Airport | 649 | 4.1 min | 89.2% | 37 |
| ORD RAP Chicago O'Hare International Airport – Rapid City Regional Airport | 1,251 | -1.1 min | 97.1% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 29 | 29 | 82.8% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 72 | 71 | 80.3% | 1 |
| June 2025 | 85 | 85 | 89.4% | 0 |
| July 2025 | 62 | 61 | 68.9% | 1 |
| August 2025 | 49 | 49 | 71.4% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 31 | 31 | 87.1% | 0 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 62 | 62 | 88.7% | 0 |
| March 2026 | 39 | 38 | 86.8% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 30 | 30 | 80.0% | 0 |