UA2311
UA2311 (United Airlines) is a multi-stop service on 11 routes, busiest Houston to Washington. Of 681 departures recorded from October 2024 to July 2026, 86.5% left on time, according to the US BTS.
- On-time departures86.5%of 681 flights
- Average delay7.7 min
- July 202630▲ 11.1%vs July 2025
- Cancelled1.0%
- Legs flown under this number11
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 | 27 | 52 | ▲ 92.6% |
| February | 42 | 33 | ▼ 21.4% |
| March | 49 | 27 | ▼ 44.9% |
| April | 30 | 26 | ▼ 13.3% |
| May | 46 | 29 | ▼ 37.0% |
| June | 26 | 28 | ▲ 7.7% |
| July | 27 | 30 | ▲ 11.1% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 247 | 225 | ▼ 8.9% |
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 | 92.0% | 82.0% | ▼ 10.9% |
| February | 95.2% | 87.9% | ▼ 7.7% |
| March | 87.5% | 85.2% | ▼ 2.6% |
| April | 93.3% | 96.2% | ▲ 3.0% |
| May | 91.1% | 79.3% | ▼ 13.0% |
| June | 88.5% | 78.6% | ▼ 11.2% |
| July | 92.6% | 48.3% | ▼ 47.9% |
| August | 88.5% | – | – |
| September | 92.3% | – | – |
| October | 88.9% | – | in progress |
| November | 88.5% | – | – |
| December | 86.2% | – | – |
| Year-to-date average (Jan–Jul) | 91.5% | 79.6% | ▼ 12.9% |
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 | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 3 | ▼ 25.0% |
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 99.0% 674
- Cancelled 1.0% 7
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 |
|---|---|---|---|---|
| IAH DCA George Bush Intercontinental Airport – Ronald Reagan Washington National Airport | 1,942 | 7.4 min | 85.7% | 427 |
| OMA IAH Eppley Airfield – George Bush Intercontinental Airport | 1,260 | 1.1 min | 94.7% | 135 |
| MIA ORD Miami International Airport – Chicago O'Hare International Airport | 1,930 | 46.9 min | 54.3% | 36 |
| LAX IAH Los Angeles International Airport – George Bush Intercontinental Airport | 2,215 | -2.2 min | 94.3% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 31 | 31 | 96.8% | 0 |
| November 2024 | 23 | 23 | 73.9% | 0 |
| December 2024 | 21 | 21 | 85.7% | 0 |
| January 2025 | 27 | 25 | 92.0% | 2 |
| February 2025 | 42 | 42 | 95.2% | 0 |
| March 2025 | 49 | 48 | 87.5% | 1 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 46 | 45 | 91.1% | 1 |
| June 2025 | 26 | 26 | 88.5% | 0 |
| July 2025 | 27 | 27 | 92.6% | 0 |
| August 2025 | 26 | 26 | 88.5% | 0 |
| September 2025 | 26 | 26 | 92.3% | 0 |
| October 2025 | 27 | 27 | 88.9% | 0 |
| November 2025 | 26 | 26 | 88.5% | 0 |
| December 2025 | 29 | 29 | 86.2% | 0 |
| January 2026 | 52 | 50 | 82.0% | 2 |
| February 2026 | 33 | 33 | 87.9% | 0 |
| March 2026 | 27 | 27 | 85.2% | 0 |
| April 2026 | 26 | 26 | 96.2% | 0 |
| May 2026 | 29 | 29 | 79.3% | 0 |
| June 2026 | 28 | 28 | 78.6% | 0 |
| July 2026 | 30 | 29 | 48.3% | 1 |