UA1453
UA1453 (United Airlines) is a multi-stop service on 9 routes, busiest San Francisco to Dulles. Of 947 departures recorded from October 2024 to July 2026, 78.3% left on time, according to the US BTS.
- On-time departures78.3%of 947 flights
- Average delay14.2 min
- July 202661▲ 96.8%vs July 2025
- Cancelled0.7%
- Legs flown under this number9
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 | 56 | 62 | ▲ 10.7% |
| February | 40 | 35 | ▼ 12.5% |
| March | 31 | 50 | ▲ 61.3% |
| April | 30 | 60 | ▲ 100.0% |
| May | 31 | 42 | ▲ 35.5% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 61 | ▲ 96.8% |
| August | 37 | – | – |
| September | 43 | – | – |
| October | 35 | – | in progress |
| November | 50 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 249 | 370 | ▲ 48.6% |
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 | 91.1% | 82.0% | ▼ 10.0% |
| February | 87.5% | 80.0% | ▼ 8.6% |
| March | 96.8% | 88.0% | ▼ 9.1% |
| April | 93.3% | 71.7% | ▼ 23.2% |
| May | 66.7% | 64.3% | ▼ 3.6% |
| June | 53.3% | 60.7% | ▲ 13.8% |
| July | 58.1% | 59.0% | ▲ 1.7% |
| August | 81.1% | – | – |
| September | 90.7% | – | – |
| October | 82.9% | – | in progress |
| November | 78.0% | – | – |
| December | 72.7% | – | – |
| Year-to-date average (Jan–Jul) | 78.1% | 72.2% | ▼ 7.5% |
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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 4 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 5 | ▲ 400.0% |
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 99.3% 940
- Cancelled 0.7% 7
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 |
|---|---|---|---|---|
| SFO IAD San Francisco International Airport – Washington Dulles International Airport | 3,883 | 8.6 min | 78.2% | 285 |
| BUR SFO Hollywood Burbank/Bob Hope Airport – San Francisco International Airport | 525 | 17.7 min | 71.9% | 275 |
| CLT EWR Charlotte Douglas International Airport – Newark Liberty International Airport | 850 | 3.0 min | 92.9% | 185 |
| DEN BDL Denver International Airport – Bradley International Airport | 2,683 | 43.9 min | 64.8% | 54 |
| SAV EWR Savannah Hilton Head International Airport – Newark Liberty International Airport | 1,140 | 32.3 min | 94.6% | 37 |
| EWR RSW Newark Liberty International Airport – Southwest Florida International Airport | 1,722 | 4.8 min | 83.8% | 37 |
| EWR MCO Newark Liberty International Airport – Orlando International Airport | 1,511 | 21.0 min | 81.1% | 37 |
| DEN IAD Denver International Airport – Washington Dulles International Airport | 2,332 | 30.9 min | 45.7% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 92.0% | 0 |
| November 2024 | 60 | 60 | 88.3% | 0 |
| December 2024 | 33 | 33 | 93.9% | 0 |
| January 2025 | 56 | 56 | 91.1% | 0 |
| February 2025 | 40 | 40 | 87.5% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 30 | 66.7% | 1 |
| June 2025 | 30 | 30 | 53.3% | 0 |
| July 2025 | 31 | 31 | 58.1% | 0 |
| August 2025 | 37 | 37 | 81.1% | 0 |
| September 2025 | 43 | 43 | 90.7% | 0 |
| October 2025 | 35 | 35 | 82.9% | 0 |
| November 2025 | 50 | 50 | 78.0% | 0 |
| December 2025 | 45 | 44 | 72.7% | 1 |
| January 2026 | 62 | 61 | 82.0% | 1 |
| February 2026 | 35 | 35 | 80.0% | 0 |
| March 2026 | 50 | 50 | 88.0% | 0 |
| April 2026 | 60 | 60 | 71.7% | 0 |
| May 2026 | 42 | 42 | 64.3% | 0 |
| June 2026 | 60 | 56 | 60.7% | 4 |
| July 2026 | 61 | 61 | 59.0% | 0 |