UA1997
UA1997 (United Airlines) is a multi-stop service on 5 routes, busiest Dulles to Newark. Of 962 departures recorded from October 2024 to July 2026, 71.7% left on time, according to the US BTS.
- On-time departures71.7%of 962 flights
- Average delay21.2 min
- July 202658▲ 87.1%vs July 2025
- Cancelled1.9%
- Legs flown under this number5
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 | 37 | 31 | ▼ 16.2% |
| February | 44 | 28 | ▼ 36.4% |
| March | 60 | 58 | ▼ 3.3% |
| April | 30 | 60 | ▲ 100.0% |
| May | 31 | 60 | ▲ 93.5% |
| June | 30 | 56 | ▲ 86.7% |
| July | 31 | 58 | ▲ 87.1% |
| August | 31 | – | – |
| September | 36 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 263 | 351 | ▲ 33.5% |
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 | 77.8% | 82.8% | ▲ 6.4% |
| February | 70.5% | 82.1% | ▲ 16.6% |
| March | 75.0% | 62.5% | ▼ 16.7% |
| April | 60.0% | 91.7% | ▲ 52.8% |
| May | 41.9% | 81.4% | ▲ 94.0% |
| June | 56.7% | 66.7% | ▲ 17.6% |
| July | 35.7% | 54.6% | ▲ 52.8% |
| August | 67.7% | – | – |
| September | 75.0% | – | – |
| October | 77.1% | – | in progress |
| November | 77.2% | – | – |
| December | 78.1% | – | – |
| Year-to-date average (Jan–Jul) | 59.7% | 74.5% | ▲ 24.9% |
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 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 2 | – |
| July | 3 | 3 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 10 | ▲ 150.0% |
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 98.1% 944
- Cancelled 1.9% 18
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 |
|---|---|---|---|---|
| IAD EWR Washington Dulles International Airport – Newark Liberty International Airport | 341 | 23.8 min | 69.0% | 521 |
| MCO IAD Orlando International Airport – Washington Dulles International Airport | 1,222 | 20.5 min | 73.7% | 378 |
| SFO IAD San Francisco International Airport – Washington Dulles International Airport | 3,883 | 6.5 min | 76.7% | 31 |
| LAX SFO Los Angeles International Airport – San Francisco International Airport | 543 | 2.6 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 24 | 75.0% | 1 |
| November 2024 | 58 | 57 | 87.7% | 1 |
| December 2024 | 46 | 46 | 69.6% | 0 |
| January 2025 | 37 | 36 | 77.8% | 1 |
| February 2025 | 44 | 44 | 70.5% | 0 |
| March 2025 | 60 | 60 | 75.0% | 0 |
| April 2025 | 30 | 30 | 60.0% | 0 |
| May 2025 | 31 | 31 | 41.9% | 0 |
| June 2025 | 30 | 30 | 56.7% | 0 |
| July 2025 | 31 | 28 | 35.7% | 3 |
| August 2025 | 31 | 31 | 67.7% | 0 |
| September 2025 | 36 | 36 | 75.0% | 0 |
| October 2025 | 62 | 61 | 77.1% | 1 |
| November 2025 | 58 | 57 | 77.2% | 1 |
| December 2025 | 32 | 32 | 78.1% | 0 |
| January 2026 | 31 | 29 | 82.8% | 2 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 58 | 56 | 62.5% | 2 |
| April 2026 | 60 | 60 | 91.7% | 0 |
| May 2026 | 60 | 59 | 81.4% | 1 |
| June 2026 | 56 | 54 | 66.7% | 2 |
| July 2026 | 58 | 55 | 54.6% | 3 |