UA1971
UA1971 (United Airlines) is a multi-stop service on 13 routes, busiest Houston to Las Vegas. Of 837 departures recorded from October 2024 to July 2026, 80.8% left on time, according to the US BTS.
- On-time departures80.8%of 837 flights
- Average delay11.2 min
- July 202641▲ 32.3%vs July 2025
- Cancelled0.5%
- Legs flown under this number13
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 | 37 | 31 | ▼ 16.2% |
| February | 24 | 28 | ▲ 16.7% |
| March | 49 | 34 | ▼ 30.6% |
| April | 30 | 59 | ▲ 96.7% |
| May | 51 | 51 | 0.0% |
| June | 80 | 30 | ▼ 62.5% |
| July | 31 | 41 | ▲ 32.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 302 | 274 | ▼ 9.3% |
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 | 86.5% | 90.3% | ▲ 4.4% |
| February | 100.0% | 92.9% | ▼ 7.1% |
| March | 81.3% | 79.4% | ▼ 2.3% |
| April | 66.7% | 86.2% | ▲ 29.3% |
| May | 84.3% | 82.4% | ▼ 2.3% |
| June | 81.0% | 63.3% | ▼ 21.8% |
| July | 61.3% | 80.5% | ▲ 31.3% |
| August | 77.4% | – | – |
| September | 86.7% | – | – |
| October | 93.6% | – | in progress |
| November | 83.3% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.1% | 82.1% | ▲ 2.5% |
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 | 1 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 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 99.5% 833
- Cancelled 0.5% 4
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH LAS George Bush Intercontinental Airport – Harry Reid International Airport | 1,963 | 13.1 min | 79.5% | 488 |
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 18.4 min | 72.9% | 71 |
| MCO LAX Orlando International Airport – Los Angeles International Airport | 3,562 | -1.2 min | 97.3% | 37 |
| SFO MCO San Francisco International Airport – Orlando International Airport | 3,929 | -3.1 min | 97.1% | 35 |
| PHL ORD Philadelphia International Airport – Chicago O'Hare International Airport | 1,088 | -0.4 min | 94.1% | 35 |
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 5.7 min | 82.9% | 35 |
| LAS ORD Harry Reid International Airport – Chicago O'Hare International Airport | 2,432 | 5.6 min | 87.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 34 | 79.4% | 1 |
| November 2024 | 29 | 29 | 69.0% | 0 |
| December 2024 | 44 | 44 | 61.4% | 0 |
| January 2025 | 37 | 37 | 86.5% | 0 |
| February 2025 | 24 | 24 | 100.0% | 0 |
| March 2025 | 49 | 48 | 81.3% | 1 |
| April 2025 | 30 | 30 | 66.7% | 0 |
| May 2025 | 51 | 51 | 84.3% | 0 |
| June 2025 | 80 | 79 | 81.0% | 1 |
| July 2025 | 31 | 31 | 61.3% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 30 | 83.3% | 0 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 34 | 34 | 79.4% | 0 |
| April 2026 | 59 | 58 | 86.2% | 1 |
| May 2026 | 51 | 51 | 82.4% | 0 |
| June 2026 | 30 | 30 | 63.3% | 0 |
| July 2026 | 41 | 41 | 80.5% | 0 |