UA1291
UA1291 (United Airlines) is a multi-stop service on 10 routes, busiest Las Vegas to Denver. Of 600 departures recorded from October 2024 to July 2026, 76.6% left on time, according to the US BTS.
- On-time departures76.6%of 600 flights
- Average delay13.0 min
- July 202622▲ 4.8%vs July 2025
- Cancelled0.8%
- Legs flown under this number10
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 | 26 | 20 | ▼ 23.1% |
| February | 38 | 17 | ▼ 55.3% |
| March | 60 | 17 | ▼ 71.7% |
| April | 51 | 21 | ▼ 58.8% |
| May | 46 | 22 | ▼ 52.2% |
| June | 30 | 21 | ▼ 30.0% |
| July | 21 | 22 | ▲ 4.8% |
| August | 22 | – | – |
| September | 22 | – | – |
| October | 29 | – | in progress |
| November | 24 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jul) | 272 | 140 | ▼ 48.5% |
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 | 84.6% | 70.0% | ▼ 17.3% |
| February | 89.5% | 82.4% | ▼ 8.0% |
| March | 85.0% | 88.2% | ▲ 3.8% |
| April | 72.6% | 100.0% | ▲ 37.8% |
| May | 71.7% | 72.7% | ▲ 1.4% |
| June | 66.7% | 52.4% | ▼ 21.4% |
| July | 35.0% | 63.6% | ▲ 81.8% |
| August | 40.9% | – | – |
| September | 59.1% | – | – |
| October | 89.7% | – | in progress |
| November | 66.7% | – | – |
| December | 95.7% | – | – |
| Year-to-date average (Jan–Jul) | 72.2% | 75.6% | ▲ 4.8% |
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 | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.2% 595
- Cancelled 0.8% 5
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 13.5 min | 77.1% | 431 |
| DEN EWR Denver International Airport – Newark Liberty International Airport | 2,576 | 4.3 min | 84.7% | 98 |
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 42.7 min | 35.1% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 88.9% | 0 |
| November 2024 | 21 | 20 | 95.0% | 1 |
| December 2024 | 29 | 29 | 96.6% | 0 |
| January 2025 | 26 | 26 | 84.6% | 0 |
| February 2025 | 38 | 38 | 89.5% | 0 |
| March 2025 | 60 | 60 | 85.0% | 0 |
| April 2025 | 51 | 51 | 72.6% | 0 |
| May 2025 | 46 | 46 | 71.7% | 0 |
| June 2025 | 30 | 30 | 66.7% | 0 |
| July 2025 | 21 | 20 | 35.0% | 1 |
| August 2025 | 22 | 22 | 40.9% | 0 |
| September 2025 | 22 | 22 | 59.1% | 0 |
| October 2025 | 29 | 29 | 89.7% | 0 |
| November 2025 | 24 | 21 | 66.7% | 3 |
| December 2025 | 23 | 23 | 95.7% | 0 |
| January 2026 | 20 | 20 | 70.0% | 0 |
| February 2026 | 17 | 17 | 82.4% | 0 |
| March 2026 | 17 | 17 | 88.2% | 0 |
| April 2026 | 21 | 21 | 100.0% | 0 |
| May 2026 | 22 | 22 | 72.7% | 0 |
| June 2026 | 21 | 21 | 52.4% | 0 |
| July 2026 | 22 | 22 | 63.6% | 0 |