UA1135
UA1135 (United Airlines) is a multi-stop service on 5 routes, busiest Houston to Tulsa. Of 122 departures recorded from October 2024 to February 2026, 83.5% left on time, according to the US BTS.
- On-time departures83.5%of 122 flights
- Average delay6.4 min
- February 20261
- Cancelled0.8%
- Legs flown under this number5
Recorded departures by month
Short series — UA1135 has only 6 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods5 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 1 | – |
| March | – | – | – |
| April | – | – | – |
| May | 1 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 26 | – | – |
| September | 54 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → February 2026
On-time departures by month
Short series — UA1135 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods5 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 100.0% | – |
| March | – | – | – |
| April | – | – | – |
| May | 100.0% | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 73.1% | – | – |
| September | 88.7% | – | – |
| October | 84.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → February 2026
Average departure delay by month
Short series — UA1135 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → February 2026
Cancelled departures by month
Short series — UA1135 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods5 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 0 | – |
| March | – | – | – |
| April | – | – | – |
| May | 0 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → February 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% 121
- Cancelled 0.8% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Feb 11, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH TUL George Bush Intercontinental Airport – Tulsa International Airport | 693 | 8.5 min | 80.6% | 68 |
| TPA IAH Tampa International Airport – George Bush Intercontinental Airport | 1,265 | 2.0 min | 89.2% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 80.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 26 | 26 | 73.1% | 0 |
| September 2025 | 54 | 53 | 88.7% | 1 |
| October 2025 | 25 | 25 | 84.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |