UA2865
UA2865 (United Airlines) is a multi-stop service on 11 routes, busiest Denver to Chicago. Of 1,252 departures recorded from October 2024 to July 2026, 82.3% left on time, according to the US BTS.
- On-time departures82.3%of 1,252 flights
- Average delay14.6 min
- July 202692▲ 58.6%vs July 2025
- Cancelled1.4%
- Legs flown under this number11
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 | 93 | ▲ 200.0% |
| February | 28 | 83 | ▲ 196.4% |
| March | 55 | 93 | ▲ 69.1% |
| April | 30 | 90 | ▲ 200.0% |
| May | 31 | 89 | ▲ 187.1% |
| June | 34 | 86 | ▲ 152.9% |
| July | 58 | 92 | ▲ 58.6% |
| August | 46 | – | – |
| September | 36 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 75 | – | – |
| Year to date (Jan–Jul) | 267 | 626 | ▲ 134.5% |
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 | 90.0% | 73.6% | ▼ 18.2% |
| February | 75.0% | 85.5% | ▲ 14.1% |
| March | 90.9% | 77.2% | ▼ 15.1% |
| April | 93.3% | 84.3% | ▼ 9.7% |
| May | 93.6% | 82.0% | ▼ 12.3% |
| June | 90.6% | 85.9% | ▼ 5.2% |
| July | 51.9% | 83.5% | ▲ 61.1% |
| August | 77.3% | – | – |
| September | 86.1% | – | – |
| October | 96.8% | – | in progress |
| November | 79.3% | – | – |
| December | 66.2% | – | – |
| Year-to-date average (Jan–Jul) | 83.6% | 81.7% | ▼ 2.3% |
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 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 2 | 1 | ▼ 50.0% |
| July | 4 | 1 | ▼ 75.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 7 | 6 | ▼ 14.3% |
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 98.6% 1,235
- Cancelled 1.4% 17
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 |
|---|---|---|---|---|
| DEN ORD Denver International Airport – Chicago O'Hare International Airport | 1,426 | 13.9 min | 82.5% | 401 |
| SBA DEN Santa Barbara Municipal Airport – Denver International Airport | 1,471 | 3.9 min | 93.7% | 206 |
| ORD BNA Chicago O'Hare International Airport – Nashville International Airport | 660 | 31.4 min | 64.0% | 205 |
| FCA DEN Glacier Park International Airport – Denver International Airport | 1,210 | 6.1 min | 93.4% | 197 |
| ORD LGA Chicago O'Hare International Airport – LaGuardia Airport | 1,177 | 65.8 min | 51.3% | 46 |
| MCO DEN Orlando International Airport – Denver International Airport | 2,486 | -6.2 min | 100.0% | 46 |
| DEN MSP Denver International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,092 | 2.7 min | 84.4% | 45 |
| ORD TPA Chicago O'Hare International Airport – Tampa International Airport | 1,631 | 21.8 min | 75.0% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 30 | 90.0% | 1 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 55 | 55 | 90.9% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 34 | 32 | 90.6% | 2 |
| July 2025 | 58 | 54 | 51.9% | 4 |
| August 2025 | 46 | 44 | 77.3% | 2 |
| September 2025 | 36 | 36 | 86.1% | 0 |
| October 2025 | 62 | 62 | 96.8% | 0 |
| November 2025 | 59 | 58 | 79.3% | 1 |
| December 2025 | 75 | 74 | 66.2% | 1 |
| January 2026 | 93 | 91 | 73.6% | 2 |
| February 2026 | 83 | 83 | 85.5% | 0 |
| March 2026 | 93 | 92 | 77.2% | 1 |
| April 2026 | 90 | 89 | 84.3% | 1 |
| May 2026 | 89 | 89 | 82.0% | 0 |
| June 2026 | 86 | 85 | 85.9% | 1 |
| July 2026 | 92 | 91 | 83.5% | 1 |