UA2156
UA2156 (United Airlines) is a multi-stop service on 9 routes, busiest Dulles to Las Vegas. Of 752 departures recorded from October 2024 to July 2026, 86.5% left on time, according to the US BTS.
- On-time departures86.5%of 752 flights
- Average delay6.6 min
- July 202630
- Cancelled0.5%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 62 | ▲ 129.6% |
| February | 26 | 39 | ▲ 50.0% |
| March | 31 | 55 | ▲ 77.4% |
| April | 30 | 60 | ▲ 100.0% |
| May | 21 | 45 | ▲ 114.3% |
| June | – | 30 | – |
| July | – | 30 | – |
| August | 22 | – | – |
| September | 35 | – | – |
| October | 54 | – | in progress |
| November | 60 | – | – |
| December | 46 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.0% | 78.3% | ▼ 14.9% |
| February | 92.3% | 92.3% | 0.0% |
| March | 96.8% | 92.7% | ▼ 4.2% |
| April | 96.7% | 93.3% | ▼ 3.5% |
| May | 90.5% | 88.9% | ▼ 1.8% |
| June | – | 96.7% | – |
| July | – | 93.3% | – |
| August | 63.6% | – | – |
| September | 74.3% | – | – |
| October | 66.7% | – | in progress |
| November | 95.0% | – | – |
| December | 67.4% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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% 748
- 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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAD LAS Washington Dulles International Airport – Harry Reid International Airport | 3,316 | 2.4 min | 89.2% | 278 |
| JAX IAD Jacksonville International Airport – Washington Dulles International Airport | 1,016 | 1.1 min | 93.8% | 130 |
| IAD BNA Washington Dulles International Airport – Nashville International Airport | 871 | 8.5 min | 90.4% | 84 |
| RSW IAD Southwest Florida International Airport – Washington Dulles International Airport | 1,437 | -2.8 min | 92.7% | 68 |
| MSP EWR Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Newark Liberty International Airport | 1,619 | 10.6 min | 86.9% | 61 |
| EWR BOS Newark Liberty International Airport – Boston Logan International Airport | 322 | 54.6 min | 36.8% | 38 |
| TPA IAD Tampa International Airport – Washington Dulles International Airport | 1,307 | -4.7 min | 97.3% | 37 |
| DJT IAD President Donald J. Trump International Airport – Washington Dulles International Airport | 1,385 | -1.2 min | 91.7% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 29 | 29 | 82.8% | 0 |
| January 2025 | 27 | 25 | 92.0% | 2 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 21 | 21 | 90.5% | 0 |
| August 2025 | 22 | 22 | 63.6% | 0 |
| September 2025 | 35 | 35 | 74.3% | 0 |
| October 2025 | 54 | 54 | 66.7% | 0 |
| November 2025 | 60 | 60 | 95.0% | 0 |
| December 2025 | 46 | 46 | 67.4% | 0 |
| January 2026 | 62 | 60 | 78.3% | 2 |
| February 2026 | 39 | 39 | 92.3% | 0 |
| March 2026 | 55 | 55 | 92.7% | 0 |
| April 2026 | 60 | 60 | 93.3% | 0 |
| May 2026 | 45 | 45 | 88.9% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 30 | 30 | 93.3% | 0 |