UA1055
UA1055 (United Airlines) is a multi-stop service on 13 routes, busiest Chicago to Madison. Of 343 departures recorded from October 2024 to May 2026, 82.5% left on time, according to the US BTS.
- On-time departures82.5%of 343 flights
- Average delay9.5 min
- May 202620▼ 4.8%vs May 2025
- Cancelled0.0%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 2 | 3 | ▲ 50.0% |
| April | 30 | 29 | ▼ 3.3% |
| May | 21 | 20 | ▼ 4.8% |
| June | – | – | – |
| July | – | – | – |
| August | 22 | – | – |
| September | 53 | – | – |
| October | 50 | – | in progress |
| November | 29 | – | – |
| December | 17 | – | – |
according to the US BTS · October 2024 → May 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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0.0% | 100.0% | – |
| April | 73.3% | 69.0% | ▼ 5.9% |
| May | 85.7% | 75.0% | ▼ 12.5% |
| June | – | – | – |
| July | – | – | – |
| August | 86.4% | – | – |
| September | 84.9% | – | – |
| October | 90.0% | – | in progress |
| November | 79.3% | – | – |
| December | 76.5% | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → May 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 100.0% 343
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → May 20, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD MSN Chicago O'Hare International Airport – Dane County Regional Truax Field | 175 | 5.4 min | 87.7% | 57 |
| LAS IAH Harry Reid International Airport – George Bush Intercontinental Airport | 1,963 | 19.5 min | 76.9% | 52 |
| COS DEN City of Colorado Springs Municipal Airport – Denver International Airport | 117 | 15.6 min | 73.1% | 52 |
| EWR SFO Newark Liberty International Airport – San Francisco International Airport | 4,118 | 23.8 min | 68.8% | 32 |
| DCA ORD Ronald Reagan Washington National Airport – Chicago O'Hare International Airport | 983 | 12.4 min | 87.5% | 32 |
| MSN DEN Dane County Regional Truax Field – Denver International Airport | 1,326 | 1.6 min | 90.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 27 | 27 | 92.6% | 0 |
| November 2024 | 21 | 21 | 81.0% | 0 |
| December 2024 | 19 | 19 | 94.7% | 0 |
| March 2025 | 2 | 2 | 0.0% | 0 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 21 | 21 | 85.7% | 0 |
| August 2025 | 22 | 22 | 86.4% | 0 |
| September 2025 | 53 | 53 | 84.9% | 0 |
| October 2025 | 50 | 50 | 90.0% | 0 |
| November 2025 | 29 | 29 | 79.3% | 0 |
| December 2025 | 17 | 17 | 76.5% | 0 |
| March 2026 | 3 | 3 | 100.0% | 0 |
| April 2026 | 29 | 29 | 69.0% | 0 |
| May 2026 | 20 | 20 | 75.0% | 0 |