UA586
UA586 (United Airlines) is a multi-stop service on 8 routes, busiest Denver to Kansas City. Of 1,019 departures recorded from October 2024 to July 2026, 90.0% left on time, according to the US BTS.
- On-time departures90.0%of 1,019 flights
- Average delay4.5 min
- July 202661▲ 96.8%vs July 2025
- Cancelled0.4%
- Legs flown under this number8
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 | 60 | ▲ 93.5% |
| February | 28 | 55 | ▲ 96.4% |
| March | 31 | 35 | ▲ 12.9% |
| April | 30 | 32 | ▲ 6.7% |
| May | 31 | 73 | ▲ 135.5% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 61 | ▲ 96.8% |
| August | 57 | – | – |
| September | 90 | – | – |
| October | 86 | – | in progress |
| November | 49 | – | – |
| December | 54 | – | – |
| Year to date (Jan–Jul) | 212 | 376 | ▲ 77.4% |
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 | 89.3% | 93.3% | ▲ 4.5% |
| February | 85.7% | 92.7% | ▲ 8.2% |
| March | 83.9% | 80.0% | ▼ 4.6% |
| April | 80.0% | 100.0% | ▲ 25.0% |
| May | 64.5% | 89.0% | ▲ 38.0% |
| June | 80.0% | 93.3% | ▲ 16.7% |
| July | 80.7% | 90.2% | ▲ 11.8% |
| August | 93.0% | – | – |
| September | 95.6% | – | – |
| October | 97.7% | – | in progress |
| November | 95.8% | – | – |
| December | 85.2% | – | – |
| Year-to-date average (Jan–Jul) | 80.6% | 91.2% | ▲ 13.2% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 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% 1,015
- Cancelled 0.4% 4
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN MCI Denver International Airport – Kansas City International Airport | 855 | 7.2 min | 87.3% | 655 |
| LGA DEN LaGuardia Airport – Denver International Airport | 2,600 | 1.1 min | 94.9% | 137 |
| ORD LGA Chicago O'Hare International Airport – LaGuardia Airport | 1,177 | -3.1 min | 92.8% | 83 |
| SJC DEN Mineta San Jose International Airport – Denver International Airport | 1,522 | 2.8 min | 94.4% | 72 |
| MIA DEN Miami International Airport – Denver International Airport | 2,749 | -2.4 min | 97.2% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 35 | 88.6% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 28 | 89.3% | 3 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 57 | 57 | 93.0% | 0 |
| September 2025 | 90 | 90 | 95.6% | 0 |
| October 2025 | 86 | 86 | 97.7% | 0 |
| November 2025 | 49 | 48 | 95.8% | 1 |
| December 2025 | 54 | 54 | 85.2% | 0 |
| January 2026 | 60 | 60 | 93.3% | 0 |
| February 2026 | 55 | 55 | 92.7% | 0 |
| March 2026 | 35 | 35 | 80.0% | 0 |
| April 2026 | 32 | 32 | 100.0% | 0 |
| May 2026 | 73 | 73 | 89.0% | 0 |
| June 2026 | 60 | 60 | 93.3% | 0 |
| July 2026 | 61 | 61 | 90.2% | 0 |