UA1586
UA1586 (United Airlines) is a multi-stop service on 10 routes, busiest Denver to Omaha. Of 684 departures recorded from October 2024 to July 2026, 87.7% left on time, according to the US BTS.
- On-time departures87.7%of 684 flights
- Average delay6.6 min
- July 202628▼ 9.7%vs July 2025
- Cancelled0.4%
- Legs flown under this number10
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 | 31 | 30 | ▼ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 41 | ▲ 32.3% |
| April | 30 | 30 | 0.0% |
| May | 31 | 29 | ▼ 6.5% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 28 | ▼ 9.7% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 59 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 212 | 215 | ▲ 1.4% |
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 | 87.1% | 85.7% | ▼ 1.6% |
| February | 85.7% | 89.3% | ▲ 4.2% |
| March | 90.0% | 87.8% | ▼ 2.4% |
| April | 90.0% | 80.0% | ▼ 11.1% |
| May | 96.8% | 86.2% | ▼ 10.9% |
| June | 90.0% | 72.4% | ▼ 19.5% |
| July | 80.7% | 89.3% | ▲ 10.7% |
| August | 71.0% | – | – |
| September | 93.3% | – | – |
| October | 86.5% | – | in progress |
| November | 98.3% | – | – |
| December | 96.9% | – | – |
| Year-to-date average (Jan–Jul) | 88.6% | 84.4% | ▼ 4.8% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.6% 681
- Cancelled 0.4% 3
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN OMA Denver International Airport – Eppley Airfield | 758 | 3.7 min | 87.8% | 379 |
| DFW IAH Dallas Fort Worth International Airport – George Bush Intercontinental Airport | 362 | 13.4 min | 84.0% | 188 |
| JAC DEN Jackson Hole Airport – Denver International Airport | 653 | -2.0 min | 100.0% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 24 | 24 | 87.5% | 0 |
| December 2024 | 25 | 25 | 84.0% | 0 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 30 | 90.0% | 1 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 71.0% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 37 | 37 | 86.5% | 0 |
| November 2025 | 59 | 59 | 98.3% | 0 |
| December 2025 | 32 | 32 | 96.9% | 0 |
| January 2026 | 30 | 28 | 85.7% | 2 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 41 | 41 | 87.8% | 0 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 29 | 29 | 86.2% | 0 |
| June 2026 | 29 | 29 | 72.4% | 0 |
| July 2026 | 28 | 28 | 89.3% | 0 |