UA1211
UA1211 (United Airlines) is a multi-stop service on 15 routes, busiest Denver to Pittsburgh. Of 788 departures recorded from October 2024 to July 2026, 79.0% left on time, according to the US BTS.
- On-time departures79.0%of 788 flights
- Average delay16.6 min
- July 202627▼ 52.6%vs July 2025
- Cancelled0.5%
- Legs flown under this number15
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 | 28 | 0.0% |
| March | 31 | 58 | ▲ 87.1% |
| April | 30 | 47 | ▲ 56.7% |
| May | 80 | 47 | ▼ 41.3% |
| June | 35 | 26 | ▼ 25.7% |
| July | 57 | 27 | ▼ 52.6% |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 292 | 264 | ▼ 9.6% |
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 | 90.3% | 93.6% | ▲ 3.6% |
| February | 82.1% | 82.1% | 0.0% |
| March | 93.6% | 66.7% | ▼ 28.7% |
| April | 73.3% | 78.3% | ▲ 6.7% |
| May | 78.8% | 68.1% | ▼ 13.5% |
| June | 65.7% | 73.1% | ▲ 11.2% |
| July | 82.5% | 51.9% | ▼ 37.1% |
| August | 65.6% | – | – |
| September | 80.0% | – | – |
| October | 96.8% | – | in progress |
| November | 82.1% | – | – |
| December | 89.7% | – | – |
| Year-to-date average (Jan–Jul) | 80.9% | 73.4% | ▼ 9.3% |
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 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 2 |
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% 784
- 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 |
|---|---|---|---|---|
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | 11.9 min | 80.9% | 324 |
| DFW ORD Dallas Fort Worth International Airport – Chicago O'Hare International Airport | 1,291 | 18.4 min | 78.8% | 147 |
| IAH ATL George Bush Intercontinental Airport – Hartsfield Jackson Atlanta International Airport | 1,108 | 36.7 min | 59.3% | 59 |
| IAH DEN George Bush Intercontinental Airport – Denver International Airport | 1,387 | 25.4 min | 66.7% | 54 |
| ORD TYS Chicago O'Hare International Airport – McGhee Tyson Airport | 765 | 33.8 min | 68.2% | 45 |
| LAS LAX Harry Reid International Airport – Los Angeles International Airport | 380 | -5.5 min | 97.3% | 37 |
| FLL IAH Fort Lauderdale Hollywood International Airport – George Bush Intercontinental Airport | 1,552 | -2.3 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 31 | 71.0% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 80 | 80 | 78.8% | 0 |
| June 2025 | 35 | 35 | 65.7% | 0 |
| July 2025 | 57 | 57 | 82.5% | 0 |
| August 2025 | 33 | 32 | 65.6% | 1 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 29 | 28 | 82.1% | 1 |
| December 2025 | 29 | 29 | 89.7% | 0 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 58 | 57 | 66.7% | 1 |
| April 2026 | 47 | 46 | 78.3% | 1 |
| May 2026 | 47 | 47 | 68.1% | 0 |
| June 2026 | 26 | 26 | 73.1% | 0 |
| July 2026 | 27 | 27 | 51.9% | 0 |