UA2491
UA2491 (United Airlines) is a multi-stop service on 8 routes, busiest Houston to San Diego. Of 1,260 departures recorded from October 2024 to July 2026, 89.5% left on time, according to the US BTS.
- On-time departures89.5%of 1,260 flights
- Average delay4.4 min
- July 202662▲ 12.7%vs July 2025
- Cancelled0.8%
- Legs flown under this number8
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 | 56 | 83 | ▲ 48.2% |
| February | 56 | 66 | ▲ 17.9% |
| March | 64 | 62 | ▼ 3.1% |
| April | 90 | 60 | ▼ 33.3% |
| May | 73 | 62 | ▼ 15.1% |
| June | 32 | 60 | ▲ 87.5% |
| July | 55 | 62 | ▲ 12.7% |
| August | 44 | – | – |
| September | 60 | – | – |
| October | 52 | – | in progress |
| November | 30 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 426 | 455 | ▲ 6.8% |
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 | 92.5% | 84.3% | ▼ 8.8% |
| February | 87.5% | 95.5% | ▲ 9.1% |
| March | 98.4% | 98.3% | ▼ 0.1% |
| April | 93.3% | 90.0% | ▼ 3.6% |
| May | 90.1% | 88.7% | ▼ 1.6% |
| June | 96.7% | 76.7% | ▼ 20.7% |
| July | 96.4% | 85.5% | ▼ 11.3% |
| August | 77.3% | – | – |
| September | 90.0% | – | – |
| October | 82.7% | – | in progress |
| November | 80.0% | – | – |
| December | 91.5% | – | – |
| Year-to-date average (Jan–Jul) | 93.6% | 88.4% | ▼ 5.5% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 2 | ▼ 71.4% |
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% 1,250
- Cancelled 0.8% 10
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH SAN George Bush Intercontinental Airport – San Diego International Airport | 2,093 | 6.6 min | 86.5% | 604 |
| PIT IAH Pittsburgh International Airport – George Bush Intercontinental Airport | 1,798 | 1.2 min | 94.4% | 327 |
| TPA IAH Tampa International Airport – George Bush Intercontinental Airport | 1,265 | 0.8 min | 94.6% | 206 |
| SAN ORD San Diego International Airport – Chicago O'Hare International Airport | 2,768 | -1.8 min | 92.5% | 53 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 10.3 min | 83.8% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 82.5% | 0 |
| November 2024 | 59 | 59 | 98.3% | 0 |
| December 2024 | 47 | 46 | 84.8% | 1 |
| January 2025 | 56 | 53 | 92.5% | 3 |
| February 2025 | 56 | 56 | 87.5% | 0 |
| March 2025 | 64 | 64 | 98.4% | 0 |
| April 2025 | 90 | 90 | 93.3% | 0 |
| May 2025 | 73 | 71 | 90.1% | 2 |
| June 2025 | 32 | 30 | 96.7% | 2 |
| July 2025 | 55 | 55 | 96.4% | 0 |
| August 2025 | 44 | 44 | 77.3% | 0 |
| September 2025 | 60 | 60 | 90.0% | 0 |
| October 2025 | 52 | 52 | 82.7% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 47 | 47 | 91.5% | 0 |
| January 2026 | 83 | 83 | 84.3% | 0 |
| February 2026 | 66 | 66 | 95.5% | 0 |
| March 2026 | 62 | 60 | 98.3% | 2 |
| April 2026 | 60 | 60 | 90.0% | 0 |
| May 2026 | 62 | 62 | 88.7% | 0 |
| June 2026 | 60 | 60 | 76.7% | 0 |
| July 2026 | 62 | 62 | 85.5% | 0 |