UA1951
UA1951 (United Airlines) is a multi-stop service on 14 routes, busiest Seattle to Chicago. Of 576 departures recorded from March 2025 to July 2026, 80.6% left on time, according to the US BTS.
- On-time departures80.6%of 576 flights
- Average delay13.5 min
- July 202631▼ 46.6%vs July 2025
- Cancelled1.6%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 19 | – |
| February | – | 14 | – |
| March | 4 | 28 | ▲ 600.0% |
| April | 60 | 30 | ▼ 50.0% |
| May | 41 | 31 | ▼ 24.4% |
| June | 78 | 30 | ▼ 61.5% |
| July | 58 | 31 | ▼ 46.6% |
| August | 43 | – | – |
| September | 25 | – | – |
| October | 24 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · March 2025 → 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 61.1% | – |
| February | – | 84.6% | – |
| March | 33.3% | 63.0% | ▲ 88.9% |
| April | 86.2% | 90.0% | ▲ 4.4% |
| May | 56.1% | 96.8% | ▲ 72.5% |
| June | 87.0% | 96.7% | ▲ 11.1% |
| July | 79.3% | 83.9% | ▲ 5.7% |
| August | 88.4% | – | – |
| September | 88.0% | – | – |
| October | 75.0% | – | in progress |
| November | 82.1% | – | – |
| December | 60.0% | – | – |
according to the US BTS · March 2025 → July 2026
Average departure delay by month
according to the US BTS · March 2025 → July 2026
Cancelled departures by month
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 1 | – |
| March | 1 | 1 | 0.0% |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
according to the US BTS · March 2025 → 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 98.4% 567
- Cancelled 1.6% 9
Share of all recorded flights in the period, all legs. · Mar 30, 2025 → 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 |
|---|---|---|---|---|
| March 2025 | 4 | 3 | 33.3% | 1 |
| April 2025 | 60 | 58 | 86.2% | 2 |
| May 2025 | 41 | 41 | 56.1% | 0 |
| June 2025 | 78 | 77 | 87.0% | 1 |
| July 2025 | 58 | 58 | 79.3% | 0 |
| August 2025 | 43 | 43 | 88.4% | 0 |
| September 2025 | 25 | 25 | 88.0% | 0 |
| October 2025 | 24 | 24 | 75.0% | 0 |
| November 2025 | 29 | 28 | 82.1% | 1 |
| December 2025 | 31 | 30 | 60.0% | 1 |
| January 2026 | 19 | 18 | 61.1% | 1 |
| February 2026 | 14 | 13 | 84.6% | 1 |
| March 2026 | 28 | 27 | 63.0% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |