UA1066
UA1066 (United Airlines) is a multi-stop service on 20 routes, busiest Houston to Denver. Of 766 departures recorded from October 2024 to July 2026, 80.1% left on time, according to the US BTS.
- On-time departures80.1%of 766 flights
- Average delay18.5 min
- July 202654▲ 74.2%vs July 2025
- Cancelled0.5%
- Legs flown under this number20
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 57 | ▲ 83.9% |
| February | 28 | 37 | ▲ 32.1% |
| March | 31 | 31 | 0.0% |
| April | 60 | 30 | ▼ 50.0% |
| May | 31 | 31 | 0.0% |
| June | 52 | 27 | ▼ 48.1% |
| July | 31 | 54 | ▲ 74.2% |
| August | 46 | – | – |
| September | 29 | – | – |
| October | 21 | – | in progress |
| November | 27 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 264 | 267 | ▲ 1.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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% | 86.0% | ▲ 11.0% |
| February | 96.4% | 91.9% | ▼ 4.7% |
| March | 80.7% | 76.7% | ▼ 4.9% |
| April | 68.3% | 90.0% | ▲ 31.7% |
| May | 64.5% | 80.7% | ▲ 25.0% |
| June | 88.5% | 77.8% | ▼ 12.1% |
| July | 64.5% | 62.3% | ▼ 3.5% |
| August | 84.8% | – | – |
| September | 96.6% | – | – |
| October | 85.7% | – | in progress |
| November | 76.0% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 77.2% | 80.7% | ▲ 4.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 2 |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.5% 762
- 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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH DEN George Bush Intercontinental Airport – Denver International Airport | 1,387 | 7.2 min | 83.0% | 189 |
| DEN BZN Denver International Airport – Bozeman Yellowstone International Airport | 844 | 9.0 min | 85.0% | 113 |
| IAD LAS Washington Dulles International Airport – Harry Reid International Airport | 3,316 | 8.9 min | 92.7% | 68 |
| DEN PHL Denver International Airport – Philadelphia International Airport | 2,501 | 19.0 min | 70.5% | 61 |
| LGA IAH LaGuardia Airport – George Bush Intercontinental Airport | 2,277 | 103.5 min | 55.6% | 37 |
| IAD MCO Washington Dulles International Airport – Orlando International Airport | 1,222 | 3.9 min | 89.2% | 37 |
| PHX IAH Phoenix Sky Harbor International Airport – George Bush Intercontinental Airport | 1,620 | 13.0 min | 94.4% | 36 |
| EWR RSW Newark Liberty International Airport – Southwest Florida International Airport | 1,722 | 41.0 min | 71.9% | 32 |
| ORD EWR Chicago O'Hare International Airport – Newark Liberty International Airport | 1,154 | 73.2 min | 60.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 60 | 60 | 68.3% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 52 | 52 | 88.5% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 46 | 46 | 84.8% | 0 |
| September 2025 | 29 | 29 | 96.6% | 0 |
| October 2025 | 21 | 21 | 85.7% | 0 |
| November 2025 | 27 | 25 | 76.0% | 2 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 57 | 57 | 86.0% | 0 |
| February 2026 | 37 | 37 | 91.9% | 0 |
| March 2026 | 31 | 30 | 76.7% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 27 | 27 | 77.8% | 0 |
| July 2026 | 54 | 53 | 62.3% | 1 |