UA1542
UA1542 (United Airlines) is a multi-stop service on 9 routes, busiest Houston to San Antonio. Of 775 departures recorded from October 2024 to July 2026, 76.6% left on time, according to the US BTS.
- On-time departures76.6%of 775 flights
- Average delay14.9 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number9
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 | 31 | ▼ 44.6% |
| February | 38 | 28 | ▼ 26.3% |
| March | 30 | 30 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 52 | 31 | ▼ 40.4% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 57 | – | – |
| September | 32 | – | – |
| October | 37 | – | in progress |
| November | 58 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 267 | 211 | ▼ 21.0% |
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 | 83.9% | 86.7% | ▲ 3.3% |
| February | 81.6% | 75.0% | ▼ 8.1% |
| March | 60.0% | 86.7% | ▲ 44.5% |
| April | 76.7% | 73.3% | ▼ 4.4% |
| May | 57.1% | 67.7% | ▲ 18.6% |
| June | 58.6% | 56.7% | ▼ 3.3% |
| July | 62.1% | 64.5% | ▲ 3.9% |
| August | 71.9% | – | – |
| September | 93.8% | – | – |
| October | 91.9% | – | in progress |
| November | 82.8% | – | – |
| December | 78.1% | – | – |
| Year-to-date average (Jan–Jul) | 68.6% | 72.9% | ▲ 6.4% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 3 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 1 | ▼ 83.3% |
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 99.1% 768
- Cancelled 0.9% 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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH SAT George Bush Intercontinental Airport – San Antonio International Airport | 306 | 16.5 min | 72.7% | 464 |
| DEN SBA Denver International Airport – Santa Barbara Municipal Airport | 1,471 | 2.8 min | 88.7% | 124 |
| JAX EWR Jacksonville International Airport – Newark Liberty International Airport | 1,321 | 31.3 min | 59.5% | 42 |
| RDU DEN Raleigh-Durham International Airport – Denver International Airport | 2,307 | 0.9 min | 94.6% | 37 |
| PDX IAH Portland International Airport – George Bush Intercontinental Airport | 2,934 | 15.8 min | 83.3% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 31 | 31 | 96.8% | 0 |
| January 2025 | 56 | 56 | 83.9% | 0 |
| February 2025 | 38 | 38 | 81.6% | 0 |
| March 2025 | 30 | 30 | 60.0% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 52 | 49 | 57.1% | 3 |
| June 2025 | 30 | 29 | 58.6% | 1 |
| July 2025 | 31 | 29 | 62.1% | 2 |
| August 2025 | 57 | 57 | 71.9% | 0 |
| September 2025 | 32 | 32 | 93.8% | 0 |
| October 2025 | 37 | 37 | 91.9% | 0 |
| November 2025 | 58 | 58 | 82.8% | 0 |
| December 2025 | 32 | 32 | 78.1% | 0 |
| January 2026 | 31 | 30 | 86.7% | 1 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 30 | 30 | 86.7% | 0 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 30 | 30 | 56.7% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |