UA780
UA780 (United Airlines) is a multi-stop service on 16 routes, busiest Dulles to Las Vegas. Of 895 departures recorded from October 2024 to July 2026, 79.4% left on time, according to the US BTS.
- On-time departures79.4%of 895 flights
- Average delay17.7 min
- July 202688▲ 183.9%vs July 2025
- Cancelled1.0%
- Legs flown under this number16
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 | 40 | ▲ 29.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 58 | ▲ 87.1% |
| April | 30 | 61 | ▲ 103.3% |
| May | 31 | 88 | ▲ 183.9% |
| June | 30 | 85 | ▲ 183.3% |
| July | 31 | 88 | ▲ 183.9% |
| August | 30 | – | – |
| September | 25 | – | – |
| October | 23 | – | in progress |
| November | 29 | – | – |
| December | 48 | – | – |
| Year to date (Jan–Jul) | 212 | 448 | ▲ 111.3% |
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 | 64.5% | 90.0% | ▲ 39.5% |
| February | 75.0% | 82.1% | ▲ 9.5% |
| March | 74.2% | 72.4% | ▼ 2.4% |
| April | 72.4% | 86.9% | ▲ 20.0% |
| May | 90.3% | 84.1% | ▼ 6.9% |
| June | 63.3% | 77.4% | ▲ 22.2% |
| July | 59.3% | 67.4% | ▲ 13.8% |
| August | 86.2% | – | – |
| September | 96.0% | – | – |
| October | 82.6% | – | in progress |
| November | 96.6% | – | – |
| December | 81.3% | – | – |
| Year-to-date average (Jan–Jul) | 71.3% | 80.0% | ▲ 12.3% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 4 | 2 | ▼ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 3 | ▼ 40.0% |
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 99.0% 886
- Cancelled 1.0% 9
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 |
|---|---|---|---|---|
| IAD LAS Washington Dulles International Airport – Harry Reid International Airport | 3,316 | 15.5 min | 78.4% | 256 |
| IAD PDX Washington Dulles International Airport – Portland International Airport | 3,736 | 19.9 min | 76.5% | 168 |
| CLE IAD Cleveland Hopkins International Airport – Washington Dulles International Airport | 463 | 26.2 min | 86.4% | 148 |
| PDX IAH Portland International Airport – George Bush Intercontinental Airport | 2,934 | 21.5 min | 74.0% | 96 |
| CHS IAD Charleston International Airport – Washington Dulles International Airport | 712 | 19.6 min | 75.0% | 56 |
| EWR BNA Newark Liberty International Airport – Nashville International Airport | 1,201 | 28.2 min | 53.1% | 36 |
| DEN BWI Denver International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,394 | -1.9 min | 97.2% | 36 |
| IAH ELP George Bush Intercontinental Airport – El Paso International Airport | 1,072 | -2.7 min | 93.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 31 | 74.2% | 0 |
| January 2025 | 31 | 31 | 64.5% | 0 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 29 | 72.4% | 1 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 31 | 27 | 59.3% | 4 |
| August 2025 | 30 | 29 | 86.2% | 1 |
| September 2025 | 25 | 25 | 96.0% | 0 |
| October 2025 | 23 | 23 | 82.6% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 48 | 48 | 81.3% | 0 |
| January 2026 | 40 | 40 | 90.0% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 58 | 58 | 72.4% | 0 |
| April 2026 | 61 | 61 | 86.9% | 0 |
| May 2026 | 88 | 88 | 84.1% | 0 |
| June 2026 | 85 | 84 | 77.4% | 1 |
| July 2026 | 88 | 86 | 67.4% | 2 |