UA1048
UA1048 (United Airlines) is a multi-stop service on 17 routes, busiest Philadelphia to San Francisco. Of 622 departures recorded from October 2024 to July 2026, 80.8% left on time, according to the US BTS.
- On-time departures80.8%of 622 flights
- Average delay11.3 min
- July 202631▲ 40.9%vs July 2025
- Cancelled0.5%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 13 | 26 | ▲ 100.0% |
| February | 16 | 28 | ▲ 75.0% |
| March | 16 | 31 | ▲ 93.8% |
| April | – | 30 | – |
| May | 30 | 25 | ▼ 16.7% |
| June | 50 | 30 | ▼ 40.0% |
| July | 22 | 31 | ▲ 40.9% |
| August | 44 | – | – |
| September | 36 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 18 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 76.9% | ▼ 23.1% |
| February | 93.8% | 92.9% | ▼ 0.9% |
| March | 87.5% | 74.2% | ▼ 15.2% |
| April | – | 96.7% | – |
| May | 64.3% | 79.2% | ▲ 23.1% |
| June | 64.0% | 76.7% | ▲ 19.8% |
| July | 72.7% | 90.3% | ▲ 24.2% |
| August | 81.8% | – | – |
| September | 94.4% | – | – |
| October | 90.3% | – | in progress |
| November | 88.3% | – | – |
| December | 83.3% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 2 | 1 | ▼ 50.0% |
| June | 0 | 0 | – |
| July | 0 | 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% 619
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 100.0% | 0 |
| November 2024 | 30 | 30 | 46.7% | 0 |
| December 2024 | 19 | 19 | 57.9% | 0 |
| January 2025 | 13 | 13 | 100.0% | 0 |
| February 2025 | 16 | 16 | 93.8% | 0 |
| March 2025 | 16 | 16 | 87.5% | 0 |
| May 2025 | 30 | 28 | 64.3% | 2 |
| June 2025 | 50 | 50 | 64.0% | 0 |
| July 2025 | 22 | 22 | 72.7% | 0 |
| August 2025 | 44 | 44 | 81.8% | 0 |
| September 2025 | 36 | 36 | 94.4% | 0 |
| October 2025 | 62 | 62 | 90.3% | 0 |
| November 2025 | 60 | 60 | 88.3% | 0 |
| December 2025 | 18 | 18 | 83.3% | 0 |
| January 2026 | 26 | 26 | 76.9% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 31 | 74.2% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 25 | 24 | 79.2% | 1 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |