UA1259
UA1259 (United Airlines) is a multi-stop service on 15 routes, busiest Atlanta to San Francisco. Of 987 departures recorded from October 2024 to July 2026, 85.0% left on time, according to the US BTS.
- On-time departures85.0%of 987 flights
- Average delay6.9 min
- July 202661▲ 5.2%vs July 2025
- Cancelled0.6%
- Legs flown under this number15
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 | 71 | ▲ 129.0% |
| February | 26 | 62 | ▲ 138.5% |
| March | 30 | 62 | ▲ 106.7% |
| April | 26 | 59 | ▲ 126.9% |
| May | 31 | 46 | ▲ 48.4% |
| June | 34 | 71 | ▲ 108.8% |
| July | 58 | 61 | ▲ 5.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 41 | – | in progress |
| November | 77 | – | – |
| December | 57 | – | – |
| Year to date (Jan–Jul) | 236 | 432 | ▲ 83.1% |
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 | 80.0% | 94.4% | ▲ 18.0% |
| February | 76.9% | 91.9% | ▲ 19.5% |
| March | 70.0% | 91.9% | ▲ 31.3% |
| April | 84.6% | 88.1% | ▲ 4.2% |
| May | 93.6% | 89.1% | ▼ 4.7% |
| June | 90.9% | 75.7% | ▼ 16.7% |
| July | 82.1% | 77.1% | ▼ 6.2% |
| August | 90.3% | – | – |
| September | 90.0% | – | – |
| October | 90.2% | – | in progress |
| November | 75.3% | – | – |
| December | 91.1% | – | – |
| Year-to-date average (Jan–Jul) | 82.6% | 86.9% | ▲ 5.2% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 4 | 1 | ▼ 75.0% |
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 99.4% 981
- Cancelled 0.6% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 36 | 36 | 83.3% | 0 |
| December 2024 | 33 | 33 | 75.8% | 0 |
| January 2025 | 31 | 30 | 80.0% | 1 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 30 | 30 | 70.0% | 0 |
| April 2025 | 26 | 26 | 84.6% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 34 | 33 | 90.9% | 1 |
| July 2025 | 58 | 56 | 82.1% | 2 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 41 | 41 | 90.2% | 0 |
| November 2025 | 77 | 77 | 75.3% | 0 |
| December 2025 | 57 | 56 | 91.1% | 1 |
| January 2026 | 71 | 71 | 94.4% | 0 |
| February 2026 | 62 | 62 | 91.9% | 0 |
| March 2026 | 62 | 62 | 91.9% | 0 |
| April 2026 | 59 | 59 | 88.1% | 0 |
| May 2026 | 46 | 46 | 89.1% | 0 |
| June 2026 | 71 | 70 | 75.7% | 1 |
| July 2026 | 61 | 61 | 77.1% | 0 |