UA1366
UA1366 (United Airlines) is a multi-stop service on 7 routes, busiest Newark to Dulles. Of 939 departures recorded from October 2024 to July 2026, 95.2% left on time, according to the US BTS.
- On-time departures95.2%of 939 flights
- Average delay0.5 min
- July 202677▲ 148.4%vs July 2025
- Cancelled2.1%
- Legs flown under this number7
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 | 36 | ▲ 16.1% |
| February | 28 | 40 | ▲ 42.9% |
| March | 32 | 57 | ▲ 78.1% |
| April | 56 | 60 | ▲ 7.1% |
| May | 41 | 60 | ▲ 46.3% |
| June | 30 | 72 | ▲ 140.0% |
| July | 31 | 77 | ▲ 148.4% |
| August | 35 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 59 | – | – |
| December | 46 | – | – |
| Year to date (Jan–Jul) | 249 | 402 | ▲ 61.4% |
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 | 86.7% | 100.0% | ▲ 15.4% |
| February | 96.4% | 92.1% | ▼ 4.5% |
| March | 96.9% | 94.6% | ▼ 2.3% |
| April | 94.6% | 96.7% | ▲ 2.1% |
| May | 100.0% | 96.7% | ▼ 3.3% |
| June | 96.7% | 88.7% | ▼ 8.2% |
| July | 100.0% | 91.8% | ▼ 8.2% |
| August | 94.3% | – | – |
| September | 93.3% | – | – |
| October | 97.2% | – | in progress |
| November | 100.0% | – | – |
| December | 97.8% | – | – |
| Year-to-date average (Jan–Jul) | 95.9% | 94.4% | ▼ 1.6% |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 2 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 1 | 4 | ▲ 300.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 10 | ▲ 233.3% |
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 97.9% 919
- Cancelled 2.1% 20
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| EWR IAD Newark Liberty International Airport – Washington Dulles International Airport | 341 | -1.8 min | 96.9% | 533 |
| IAD BNA Washington Dulles International Airport – Nashville International Airport | 871 | 5.3 min | 91.4% | 140 |
| IAD DEN Washington Dulles International Airport – Denver International Airport | 2,332 | 2.3 min | 94.1% | 108 |
| IAD SEA Washington Dulles International Airport – Seattle–Tacoma International Airport | 3,702 | -2.3 min | 98.4% | 61 |
| BNA IAH Nashville International Airport – George Bush Intercontinental Airport | 1,057 | 12.7 min | 83.9% | 56 |
| IAD LAX Washington Dulles International Airport – Los Angeles International Airport | 3,674 | -3.3 min | 100.0% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 18 | 94.4% | 2 |
| November 2024 | 30 | 29 | 100.0% | 1 |
| December 2024 | 31 | 29 | 89.7% | 2 |
| January 2025 | 31 | 30 | 86.7% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 32 | 32 | 96.9% | 0 |
| April 2025 | 56 | 56 | 94.6% | 0 |
| May 2025 | 41 | 40 | 100.0% | 1 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 30 | 100.0% | 1 |
| August 2025 | 35 | 35 | 94.3% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 37 | 36 | 97.2% | 1 |
| November 2025 | 59 | 58 | 100.0% | 1 |
| December 2025 | 46 | 46 | 97.8% | 0 |
| January 2026 | 36 | 34 | 100.0% | 2 |
| February 2026 | 40 | 38 | 92.1% | 2 |
| March 2026 | 57 | 56 | 94.6% | 1 |
| April 2026 | 60 | 60 | 96.7% | 0 |
| May 2026 | 60 | 60 | 96.7% | 0 |
| June 2026 | 72 | 71 | 88.7% | 1 |
| July 2026 | 77 | 73 | 91.8% | 4 |