UA234
UA234 (United Airlines) is a multi-stop service on 19 routes, busiest Denver to Houston. Of 591 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 591 flights
- Average delay16.7 min
- July 202641▲ 32.3%vs July 2025
- Cancelled0.7%
- Legs flown under this number19
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 47 | 26 | ▼ 44.7% |
| February | 38 | 28 | ▼ 26.3% |
| March | 7 | 7 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 35 | ▲ 12.9% |
| June | 30 | 41 | ▲ 36.7% |
| July | 31 | 41 | ▲ 32.3% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 214 | 208 | ▼ 2.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.6% | 84.6% | ▲ 10.5% |
| February | 83.8% | 88.9% | ▲ 6.1% |
| March | 57.1% | 71.4% | ▲ 25.0% |
| April | 63.3% | 93.3% | ▲ 47.4% |
| May | 83.9% | 77.1% | ▼ 8.0% |
| June | 72.4% | 58.5% | ▼ 19.2% |
| July | 61.3% | 78.1% | ▲ 27.3% |
| August | 61.3% | – | – |
| September | 75.9% | – | – |
| October | 76.7% | – | in progress |
| November | 76.7% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 71.2% | 78.9% | ▲ 10.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | 1 | 0.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.3% 587
- Cancelled 0.7% 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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN IAH Denver International Airport – George Bush Intercontinental Airport | 1,387 | 31.5 min | 65.9% | 89 |
| IAH SFO George Bush Intercontinental Airport – San Francisco International Airport | 2,627 | 10.6 min | 81.9% | 84 |
| CLE SFO Cleveland Hopkins International Airport – San Francisco International Airport | 3,470 | 22.2 min | 59.7% | 57 |
| FLL EWR Fort Lauderdale Hollywood International Airport – Newark Liberty International Airport | 1,717 | 56.9 min | 67.3% | 53 |
| MCO CLE Orlando International Airport – Cleveland Hopkins International Airport | 1,444 | 1.4 min | 89.2% | 37 |
| IND DEN Indianapolis International Airport – Denver International Airport | 1,568 | 3.8 min | 81.1% | 37 |
| SFO DTW San Francisco International Airport – Detroit Metropolitan Wayne County Airport | 3,337 | 2.2 min | 91.4% | 35 |
| AUS IAH Austin Bergstrom International Airport – George Bush Intercontinental Airport | 225 | 13.4 min | 70.6% | 34 |
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | 11.1 min | 78.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 100.0% | 0 |
| December 2024 | 16 | 16 | 87.5% | 0 |
| January 2025 | 47 | 47 | 76.6% | 0 |
| February 2025 | 38 | 37 | 83.8% | 1 |
| March 2025 | 7 | 7 | 57.1% | 0 |
| April 2025 | 30 | 30 | 63.3% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 30 | 29 | 72.4% | 1 |
| July 2025 | 31 | 31 | 61.3% | 0 |
| August 2025 | 31 | 31 | 61.3% | 0 |
| September 2025 | 29 | 29 | 75.9% | 0 |
| October 2025 | 31 | 30 | 76.7% | 1 |
| November 2025 | 30 | 30 | 76.7% | 0 |
| December 2025 | 17 | 17 | 100.0% | 0 |
| January 2026 | 26 | 26 | 84.6% | 0 |
| February 2026 | 28 | 27 | 88.9% | 1 |
| March 2026 | 7 | 7 | 71.4% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 35 | 35 | 77.1% | 0 |
| June 2026 | 41 | 41 | 58.5% | 0 |
| July 2026 | 41 | 41 | 78.1% | 0 |