UA284
UA284 (United Airlines) is a multi-stop service on 17 routes, busiest Las Vegas to Dulles. Of 828 departures recorded from October 2024 to July 2026, 82.0% left on time, according to the US BTS.
- On-time departures82.0%of 828 flights
- Average delay9.1 min
- July 202631▼ 48.3%vs July 2025
- Cancelled0.7%
- Legs flown under this number17
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 | 37 | 31 | ▼ 16.2% |
| February | 40 | 28 | ▼ 30.0% |
| March | 82 | 34 | ▼ 58.5% |
| April | 51 | 60 | ▲ 17.6% |
| May | 23 | 42 | ▲ 82.6% |
| June | 35 | 30 | ▼ 14.3% |
| July | 60 | 31 | ▼ 48.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 328 | 256 | ▼ 22.0% |
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 | 86.5% | 93.1% | ▲ 7.6% |
| February | 85.0% | 92.9% | ▲ 9.2% |
| March | 81.5% | 87.5% | ▲ 7.4% |
| April | 68.6% | 75.0% | ▲ 9.3% |
| May | 60.9% | 80.5% | ▲ 32.2% |
| June | 68.6% | 93.3% | ▲ 36.1% |
| July | 63.3% | 93.6% | ▲ 47.7% |
| August | 93.6% | – | – |
| September | 96.7% | – | – |
| October | 100.0% | – | in progress |
| November | 80.0% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 73.5% | 88.0% | ▲ 19.7% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 5 | ▲ 400.0% |
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 99.3% 822
- Cancelled 0.7% 6
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 |
|---|---|---|---|---|
| LAS IAD Harry Reid International Airport – Washington Dulles International Airport | 3,316 | 2.2 min | 89.0% | 338 |
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | 24.9 min | 63.8% | 141 |
| IAD DEN Washington Dulles International Airport – Denver International Airport | 2,332 | 6.3 min | 83.1% | 71 |
| IAH TUS George Bush Intercontinental Airport – Tucson International Airport | 1,503 | 16.8 min | 72.0% | 50 |
| CVG IAH Cincinnati Northern Kentucky International Airport – George Bush Intercontinental Airport | 1,402 | 11.1 min | 80.9% | 47 |
| ORD MCO Chicago O'Hare International Airport – Orlando International Airport | 1,620 | -1.7 min | 94.6% | 37 |
| BNA EWR Nashville International Airport – Newark Liberty International Airport | 1,201 | 4.2 min | 91.2% | 35 |
| ORD DEN Chicago O'Hare International Airport – Denver International Airport | 1,426 | 28.7 min | 70.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 41 | 41 | 68.3% | 0 |
| January 2025 | 37 | 37 | 86.5% | 0 |
| February 2025 | 40 | 40 | 85.0% | 0 |
| March 2025 | 82 | 81 | 81.5% | 1 |
| April 2025 | 51 | 51 | 68.6% | 0 |
| May 2025 | 23 | 23 | 60.9% | 0 |
| June 2025 | 35 | 35 | 68.6% | 0 |
| July 2025 | 60 | 60 | 63.3% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 100.0% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 31 | 29 | 93.1% | 2 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 34 | 32 | 87.5% | 2 |
| April 2026 | 60 | 60 | 75.0% | 0 |
| May 2026 | 42 | 41 | 80.5% | 1 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |