UA1237
UA1237 (United Airlines) is a multi-stop service on 18 routes, busiest Minneapolis to Chicago. Of 539 departures recorded from October 2024 to July 2026, 70.7% left on time, according to the US BTS.
- On-time departures70.7%of 539 flights
- Average delay30.4 min
- July 202631▲ 40.9%vs July 2025
- Cancelled1.3%
- Legs flown under this number18
Recorded departures by month
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 | 19 | 16 | ▼ 15.8% |
| February | 16 | 21 | ▲ 31.3% |
| March | 28 | 29 | ▲ 3.6% |
| April | 26 | 42 | ▲ 61.5% |
| May | 38 | 27 | ▼ 28.9% |
| June | 14 | 30 | ▲ 114.3% |
| July | 22 | 31 | ▲ 40.9% |
| August | 25 | – | – |
| September | 18 | – | – |
| October | 27 | – | in progress |
| November | 24 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 163 | 196 | ▲ 20.2% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 63.2% | 75.0% | ▲ 18.7% |
| February | 87.5% | 100.0% | ▲ 14.3% |
| March | 71.4% | 57.7% | ▼ 19.2% |
| April | 76.9% | 65.9% | ▼ 14.4% |
| May | 59.5% | 85.2% | ▲ 43.3% |
| June | 64.3% | 86.7% | ▲ 34.8% |
| July | 50.0% | 56.7% | ▲ 13.3% |
| August | 62.5% | – | – |
| September | 50.0% | – | – |
| October | 77.8% | – | in progress |
| November | 75.0% | – | – |
| December | 58.6% | – | – |
| Year-to-date average (Jan–Jul) | 67.5% | 75.3% | ▲ 11.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 1 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 5 | ▲ 400.0% |
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 98.7% 532
- Cancelled 1.3% 7
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSP ORD Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago O'Hare International Airport | 537 | 34.5 min | 70.4% | 393 |
| DEN SBP Denver International Airport – San Luis County Regional Airport | 1,496 | 26.6 min | 55.6% | 37 |
| EWR RSW Newark Liberty International Airport – Southwest Florida International Airport | 1,722 | -4.6 min | 97.1% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 92.9% | 0 |
| November 2024 | 19 | 19 | 84.2% | 0 |
| December 2024 | 24 | 24 | 75.0% | 0 |
| January 2025 | 19 | 19 | 63.2% | 0 |
| February 2025 | 16 | 16 | 87.5% | 0 |
| March 2025 | 28 | 28 | 71.4% | 0 |
| April 2025 | 26 | 26 | 76.9% | 0 |
| May 2025 | 38 | 37 | 59.5% | 1 |
| June 2025 | 14 | 14 | 64.3% | 0 |
| July 2025 | 22 | 22 | 50.0% | 0 |
| August 2025 | 25 | 24 | 62.5% | 1 |
| September 2025 | 18 | 18 | 50.0% | 0 |
| October 2025 | 27 | 27 | 77.8% | 0 |
| November 2025 | 24 | 24 | 75.0% | 0 |
| December 2025 | 29 | 29 | 58.6% | 0 |
| January 2026 | 16 | 16 | 75.0% | 0 |
| February 2026 | 21 | 21 | 100.0% | 0 |
| March 2026 | 29 | 26 | 57.7% | 3 |
| April 2026 | 42 | 41 | 65.9% | 1 |
| May 2026 | 27 | 27 | 85.2% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 30 | 56.7% | 1 |