UA255
UA255 (United Airlines) is a multi-stop service on 27 routes, busiest Austin to Newark. Of 683 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 683 flights
- Average delay21.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number27
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 31 | 49 | ▲ 58.1% |
| February | 28 | 36 | ▲ 28.6% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 19 | 31 | ▲ 63.2% |
| June | 17 | 30 | ▲ 76.5% |
| July | 31 | 31 | 0.0% |
| August | 40 | – | – |
| September | 51 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 187 | 238 | ▲ 27.3% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 83.3% | 84.4% | ▲ 1.3% |
| February | 85.7% | 94.4% | ▲ 10.2% |
| March | 83.9% | 93.6% | ▲ 11.5% |
| April | 62.1% | 66.7% | ▲ 7.4% |
| May | 29.4% | 93.6% | ▲ 218.1% |
| June | 47.1% | 86.7% | ▲ 84.2% |
| July | 29.0% | 83.9% | ▲ 188.9% |
| August | 62.5% | – | – |
| September | 86.3% | – | – |
| October | 71.0% | – | in progress |
| November | 80.0% | – | – |
| December | 76.7% | – | – |
| Year-to-date average (Jan–Jul) | 60.1% | 86.2% | ▲ 43.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 4 | ▲ 300.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 4 | 0.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.7% 674
- Cancelled 1.3% 9
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS EWR Austin Bergstrom International Airport – Newark Liberty International Airport | 2,416 | 38.2 min | 64.7% | 277 |
| ATW DEN Appleton International Airport – Denver International Airport | 1,418 | 6.1 min | 84.5% | 71 |
| ORD BWI Chicago O'Hare International Airport – Baltimore/Washington International Thurgood Marshall Airport | 998 | 9.5 min | 76.6% | 47 |
| EWR CLT Newark Liberty International Airport – Charlotte Douglas International Airport | 850 | 7.4 min | 80.0% | 37 |
| RSW ORD Southwest Florida International Airport – Chicago O'Hare International Airport | 1,807 | -6.9 min | 97.1% | 35 |
| DEN PHL Denver International Airport – Philadelphia International Airport | 2,501 | 15.0 min | 77.1% | 35 |
| ORD SAV Chicago O'Hare International Airport – Savannah Hilton Head International Airport | 1,246 | 31.4 min | 65.6% | 32 |
| SFO AUS San Francisco International Airport – Austin Bergstrom International Airport | 2,417 | 11.6 min | 90.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 25 | 25 | 68.0% | 0 |
| December 2024 | 31 | 30 | 76.7% | 1 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 29 | 62.1% | 1 |
| May 2025 | 19 | 17 | 29.4% | 2 |
| June 2025 | 17 | 17 | 47.1% | 0 |
| July 2025 | 31 | 31 | 29.0% | 0 |
| August 2025 | 40 | 40 | 62.5% | 0 |
| September 2025 | 51 | 51 | 86.3% | 0 |
| October 2025 | 31 | 31 | 71.0% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 30 | 30 | 76.7% | 0 |
| January 2026 | 49 | 45 | 84.4% | 4 |
| February 2026 | 36 | 36 | 94.4% | 0 |
| March 2026 | 31 | 31 | 93.6% | 0 |
| April 2026 | 30 | 30 | 66.7% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |