UA1262
UA1262 (United Airlines) is a multi-stop service on 18 routes, busiest Chicago to Boston. Of 493 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 493 flights
- Average delay19.2 min
- July 202647▲ 370.0%vs July 2025
- Cancelled1.2%
- Legs flown under this number18
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 | 25 | 41 | ▲ 64.0% |
| February | 12 | 51 | ▲ 325.0% |
| March | 2 | 7 | ▲ 250.0% |
| April | 30 | 1 | ▼ 96.7% |
| May | 31 | 45 | ▲ 45.2% |
| June | 30 | 27 | ▼ 10.0% |
| July | 10 | 47 | ▲ 370.0% |
| August | 31 | – | – |
| September | 13 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 140 | 219 | ▲ 56.4% |
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 | 95.7% | 79.5% | ▼ 16.9% |
| February | 100.0% | 86.3% | ▼ 13.7% |
| March | 50.0% | 85.7% | ▲ 71.4% |
| April | 70.0% | 0.0% | ▼ 100.0% |
| May | 77.4% | 80.0% | ▲ 3.3% |
| June | 70.0% | 81.5% | ▲ 16.4% |
| July | 70.0% | 59.6% | ▼ 14.9% |
| August | 93.6% | – | – |
| September | 69.2% | – | – |
| October | 50.0% | – | in progress |
| November | 75.0% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 76.2% | 67.5% | ▼ 11.4% |
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 | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 98.8% 487
- Cancelled 1.2% 6
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD BOS Chicago O'Hare International Airport – Boston Logan International Airport | 1,391 | 36.7 min | 58.5% | 67 |
| ORD MDT Chicago O'Hare International Airport – Harrisburg International Airport | 954 | 9.5 min | 78.9% | 53 |
| ANC DEN Ted Stevens Anchorage International Airport – Denver International Airport | 3,863 | 4.8 min | 89.6% | 48 |
| IAH DCA George Bush Intercontinental Airport – Ronald Reagan Washington National Airport | 1,942 | -1.9 min | 97.1% | 37 |
| DEN LAX Denver International Airport – Los Angeles International Airport | 1,385 | 18.2 min | 67.6% | 37 |
| DEN CMH Denver International Airport – John Glenn Columbus International Airport | 1,853 | 52.3 min | 57.1% | 35 |
| TYS DEN McGhee Tyson Airport – Denver International Airport | 1,866 | 31.4 min | 70.0% | 30 |
| ORD BDL Chicago O'Hare International Airport – Bradley International Airport | 1,257 | 1.2 min | 90.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 100.0% | 0 |
| January 2025 | 25 | 23 | 95.7% | 2 |
| February 2025 | 12 | 12 | 100.0% | 0 |
| March 2025 | 2 | 2 | 50.0% | 0 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 10 | 10 | 70.0% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 13 | 13 | 69.2% | 0 |
| October 2025 | 31 | 30 | 50.0% | 1 |
| November 2025 | 29 | 28 | 75.0% | 1 |
| December 2025 | 15 | 15 | 66.7% | 0 |
| January 2026 | 41 | 39 | 79.5% | 2 |
| February 2026 | 51 | 51 | 86.3% | 0 |
| March 2026 | 7 | 7 | 85.7% | 0 |
| April 2026 | 1 | 1 | 0.0% | 0 |
| May 2026 | 45 | 45 | 80.0% | 0 |
| June 2026 | 27 | 27 | 81.5% | 0 |
| July 2026 | 47 | 47 | 59.6% | 0 |