UA1757
UA1757 (United Airlines) is a multi-stop service on 7 routes, busiest Dulles to San Francisco. Of 1,229 departures recorded from October 2024 to July 2026, 68.8% left on time, according to the US BTS.
- On-time departures68.8%of 1,229 flights
- Average delay24.3 min
- July 202658▼ 4.9%vs July 2025
- Cancelled1.2%
- 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 | 82 | 62 | ▼ 24.4% |
| February | 50 | 56 | ▲ 12.0% |
| March | 31 | 62 | ▲ 100.0% |
| April | 30 | 60 | ▲ 100.0% |
| May | 51 | 58 | ▲ 13.7% |
| June | 85 | 52 | ▼ 38.8% |
| July | 61 | 58 | ▼ 4.9% |
| August | 60 | – | – |
| September | 89 | – | – |
| October | 81 | – | in progress |
| November | 30 | – | – |
| December | 61 | – | – |
| Year to date (Jan–Jul) | 390 | 408 | ▲ 4.6% |
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 | 82.3% | 78.7% | ▼ 4.4% |
| February | 80.0% | 80.4% | ▲ 0.4% |
| March | 77.4% | 78.0% | ▲ 0.7% |
| April | 75.9% | 70.0% | ▼ 7.7% |
| May | 52.9% | 52.6% | ▼ 0.6% |
| June | 63.5% | 31.4% | ▼ 50.6% |
| July | 67.8% | 43.1% | ▼ 36.4% |
| August | 59.3% | – | – |
| September | 79.8% | – | – |
| October | 76.3% | – | in progress |
| November | 72.4% | – | – |
| December | 70.5% | – | – |
| Year-to-date average (Jan–Jul) | 71.4% | 62.0% | ▼ 13.1% |
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 | 3 | 1 | ▼ 66.7% |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 6 | 0.0% |
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 98.8% 1,214
- Cancelled 1.2% 15
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAD SFO Washington Dulles International Airport – San Francisco International Airport | 3,883 | 35.8 min | 61.6% | 600 |
| SFO RNO San Francisco International Airport – Reno Tahoe International Airport | 308 | 18.5 min | 69.1% | 418 |
| MCO IAD Orlando International Airport – Washington Dulles International Airport | 1,222 | 7.2 min | 85.2% | 101 |
| MSY IAD Louis Armstrong New Orleans International Airport – Washington Dulles International Airport | 1,537 | -2.5 min | 89.7% | 32 |
| JAX IAD Jacksonville International Airport – Washington Dulles International Airport | 1,016 | -4.9 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 22 | 22 | 90.9% | 0 |
| November 2024 | 44 | 44 | 93.2% | 0 |
| December 2024 | 44 | 44 | 43.2% | 0 |
| January 2025 | 82 | 79 | 82.3% | 3 |
| February 2025 | 50 | 50 | 80.0% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 30 | 29 | 75.9% | 1 |
| May 2025 | 51 | 51 | 52.9% | 0 |
| June 2025 | 85 | 85 | 63.5% | 0 |
| July 2025 | 61 | 59 | 67.8% | 2 |
| August 2025 | 60 | 59 | 59.3% | 1 |
| September 2025 | 89 | 89 | 79.8% | 0 |
| October 2025 | 81 | 80 | 76.3% | 1 |
| November 2025 | 30 | 29 | 72.4% | 1 |
| December 2025 | 61 | 61 | 70.5% | 0 |
| January 2026 | 62 | 61 | 78.7% | 1 |
| February 2026 | 56 | 56 | 80.4% | 0 |
| March 2026 | 62 | 59 | 78.0% | 3 |
| April 2026 | 60 | 60 | 70.0% | 0 |
| May 2026 | 58 | 57 | 52.6% | 1 |
| June 2026 | 52 | 51 | 31.4% | 1 |
| July 2026 | 58 | 58 | 43.1% | 0 |