UA655
UA655 (United Airlines) is a multi-stop service on 9 routes, busiest Denver to Las Vegas. Of 858 departures recorded from October 2024 to July 2026, 72.1% left on time, according to the US BTS.
- On-time departures72.1%of 858 flights
- Average delay20.8 min
- July 202636▼ 7.7%vs July 2025
- Cancelled0.5%
- Legs flown under this number9
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 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 47 | ▲ 56.7% |
| May | 63 | 40 | ▼ 36.5% |
| June | 63 | 76 | ▲ 20.6% |
| July | 39 | 36 | ▼ 7.7% |
| August | 47 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 285 | 289 | ▲ 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 | 58.1% | 83.9% | ▲ 44.5% |
| February | 78.6% | 67.9% | ▼ 13.6% |
| March | 77.4% | 77.4% | 0.0% |
| April | 73.3% | 89.4% | ▲ 21.9% |
| May | 64.5% | 75.0% | ▲ 16.2% |
| June | 76.2% | 65.8% | ▼ 13.7% |
| July | 52.6% | 47.2% | ▼ 10.3% |
| August | 73.3% | – | – |
| September | 73.3% | – | – |
| October | 74.2% | – | in progress |
| November | 79.3% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 68.7% | 72.4% | ▲ 5.4% |
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 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 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 99.5% 854
- Cancelled 0.5% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | 23.1 min | 68.2% | 655 |
| LAS EWR Harry Reid International Airport – Newark Liberty International Airport | 3,576 | 1.8 min | 87.2% | 49 |
| MSN DEN Dane County Regional Truax Field – Denver International Airport | 1,326 | 7.6 min | 86.1% | 36 |
| SEA DEN Seattle–Tacoma International Airport – Denver International Airport | 1,645 | 12.7 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 80.0% | 0 |
| November 2024 | 58 | 58 | 79.3% | 0 |
| December 2024 | 33 | 33 | 69.7% | 0 |
| January 2025 | 31 | 31 | 58.1% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 63 | 62 | 64.5% | 1 |
| June 2025 | 63 | 63 | 76.2% | 0 |
| July 2025 | 39 | 38 | 52.6% | 1 |
| August 2025 | 47 | 45 | 73.3% | 2 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 31 | 31 | 74.2% | 0 |
| November 2025 | 29 | 29 | 79.3% | 0 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 31 | 31 | 83.9% | 0 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 31 | 31 | 77.4% | 0 |
| April 2026 | 47 | 47 | 89.4% | 0 |
| May 2026 | 40 | 40 | 75.0% | 0 |
| June 2026 | 76 | 76 | 65.8% | 0 |
| July 2026 | 36 | 36 | 47.2% | 0 |