UA1232
UA1232 (United Airlines) is a multi-stop service on 15 routes, busiest Denver to Boston. Of 902 departures recorded from October 2024 to July 2026, 79.6% left on time, according to the US BTS.
- On-time departures79.6%of 902 flights
- Average delay15.8 min
- July 202661▲ 0.0%vs July 2025
- Cancelled1.2%
- Legs flown under this number15
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 | 31 | 0.0% |
| February | 44 | 28 | ▼ 36.4% |
| March | 36 | 57 | ▲ 58.3% |
| April | 30 | 60 | ▲ 100.0% |
| May | 39 | 62 | ▲ 59.0% |
| June | 56 | 60 | ▲ 7.1% |
| July | 61 | 61 | 0.0% |
| August | 51 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 297 | 359 | ▲ 20.9% |
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 | 80.7% | 93.1% | ▲ 15.4% |
| February | 81.4% | 96.4% | ▲ 18.5% |
| March | 75.0% | 94.6% | ▲ 26.2% |
| April | 53.3% | 88.3% | ▲ 65.6% |
| May | 64.1% | 91.9% | ▲ 43.4% |
| June | 63.6% | 91.7% | ▲ 44.0% |
| July | 50.0% | 83.6% | ▲ 67.2% |
| August | 56.0% | – | – |
| September | 84.6% | – | – |
| October | 92.6% | – | in progress |
| November | 86.7% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 66.9% | 91.4% | ▲ 36.7% |
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 | 0 | 2 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 5 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 3 | ▼ 57.1% |
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 98.8% 891
- Cancelled 1.2% 11
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN BOS Denver International Airport – Boston Logan International Airport | 2,816 | 6.5 min | 88.2% | 205 |
| SLC DEN Salt Lake City International Airport – Denver International Airport | 628 | -0.3 min | 93.4% | 168 |
| EWR PWM Newark Liberty International Airport – Portland International Jetport | 458 | 26.5 min | 59.4% | 124 |
| DJT EWR President Donald J. Trump International Airport – Newark Liberty International Airport | 1,650 | 59.1 min | 51.2% | 85 |
| RAP DEN Rapid City Regional Airport – Denver International Airport | 484 | 3.3 min | 89.1% | 56 |
| DEN SAV Denver International Airport – Savannah Hilton Head International Airport | 2,272 | 5.3 min | 84.6% | 52 |
| DEN GSP Denver International Airport – Greenville-Spartanburg International Airport | 2,053 | -0.3 min | 89.2% | 37 |
| EWR SNA Newark Liberty International Airport – John Wayne Orange County International Airport | 3,908 | 40.5 min | 66.7% | 36 |
| AUS EWR Austin Bergstrom International Airport – Newark Liberty International Airport | 2,416 | 36.3 min | 77.1% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 31 | 80.7% | 0 |
| February 2025 | 44 | 43 | 81.4% | 1 |
| March 2025 | 36 | 36 | 75.0% | 0 |
| April 2025 | 30 | 30 | 53.3% | 0 |
| May 2025 | 39 | 39 | 64.1% | 0 |
| June 2025 | 56 | 55 | 63.6% | 1 |
| July 2025 | 61 | 56 | 50.0% | 5 |
| August 2025 | 51 | 50 | 56.0% | 1 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 27 | 27 | 92.6% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 31 | 29 | 93.1% | 2 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 57 | 56 | 94.6% | 1 |
| April 2026 | 60 | 60 | 88.3% | 0 |
| May 2026 | 62 | 62 | 91.9% | 0 |
| June 2026 | 60 | 60 | 91.7% | 0 |
| July 2026 | 61 | 61 | 83.6% | 0 |