UA312
UA312 (United Airlines) is a multi-stop service on 23 routes, busiest Chicago to Austin. Of 888 departures recorded from October 2024 to July 2026, 75.6% left on time, according to the US BTS.
- On-time departures75.6%of 888 flights
- Average delay17.0 min
- July 202661▲ 96.8%vs July 2025
- Cancelled1.2%
- Legs flown under this number23
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 | 52 | 57 | ▲ 9.6% |
| February | 38 | 39 | ▲ 2.6% |
| March | 33 | 51 | ▲ 54.5% |
| April | 30 | 55 | ▲ 83.3% |
| May | 41 | 51 | ▲ 24.4% |
| June | 55 | 36 | ▼ 34.5% |
| July | 31 | 61 | ▲ 96.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 280 | 350 | ▲ 25.0% |
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 | 84.6% | 68.5% | ▼ 19.0% |
| February | 81.1% | 79.5% | ▼ 2.0% |
| March | 93.9% | 69.4% | ▼ 26.1% |
| April | 73.3% | 71.7% | ▼ 2.2% |
| May | 78.1% | 76.5% | ▼ 2.0% |
| June | 81.8% | 68.6% | ▼ 16.2% |
| July | 45.2% | 71.7% | ▲ 58.7% |
| August | 72.4% | – | – |
| September | 93.3% | – | – |
| October | 67.7% | – | in progress |
| November | 70.0% | – | – |
| December | 63.8% | – | – |
| Year-to-date average (Jan–Jul) | 76.9% | 72.3% | ▼ 6.0% |
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 | 3 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 2 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 9 | ▲ 800.0% |
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% 877
- Cancelled 1.2% 11
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 37 | 37 | 83.8% | 0 |
| December 2024 | 33 | 33 | 84.9% | 0 |
| January 2025 | 52 | 52 | 84.6% | 0 |
| February 2025 | 38 | 37 | 81.1% | 1 |
| March 2025 | 33 | 33 | 93.9% | 0 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 41 | 41 | 78.1% | 0 |
| June 2025 | 55 | 55 | 81.8% | 0 |
| July 2025 | 31 | 31 | 45.2% | 0 |
| August 2025 | 30 | 29 | 72.4% | 1 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 67.7% | 0 |
| November 2025 | 30 | 30 | 70.0% | 0 |
| December 2025 | 47 | 47 | 63.8% | 0 |
| January 2026 | 57 | 54 | 68.5% | 3 |
| February 2026 | 39 | 39 | 79.5% | 0 |
| March 2026 | 51 | 49 | 69.4% | 2 |
| April 2026 | 55 | 53 | 71.7% | 2 |
| May 2026 | 51 | 51 | 76.5% | 0 |
| June 2026 | 36 | 35 | 68.6% | 1 |
| July 2026 | 61 | 60 | 71.7% | 1 |