UA397
UA397 (United Airlines) is a multi-stop service on 17 routes, busiest Denver to Minneapolis. Of 759 departures recorded from October 2024 to July 2026, 85.9% left on time, according to the US BTS.
- On-time departures85.9%of 759 flights
- Average delay7.0 min
- July 202631▼ 49.2%vs July 2025
- Cancelled0.4%
- Legs flown under this number17
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 | 57 | ▲ 1.8% |
| February | 34 | 54 | ▲ 58.8% |
| March | 21 | 35 | ▲ 66.7% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 34 | 30 | ▼ 11.8% |
| July | 61 | 31 | ▼ 49.2% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 267 | 268 | ▲ 0.4% |
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 | 88.7% | 94.7% | ▲ 6.8% |
| February | 82.4% | 92.6% | ▲ 12.4% |
| March | 76.2% | 91.4% | ▲ 20.0% |
| April | 80.0% | 83.3% | ▲ 4.2% |
| May | 87.1% | 93.6% | ▲ 7.4% |
| June | 82.4% | 80.0% | ▼ 2.9% |
| July | 70.5% | 80.7% | ▲ 14.4% |
| August | 85.7% | – | – |
| September | 90.0% | – | – |
| October | 90.3% | – | in progress |
| November | 93.3% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 81.0% | 88.0% | ▲ 8.7% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
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 99.6% 756
- Cancelled 0.4% 3
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 25 | 25 | 100.0% | 0 |
| December 2024 | 29 | 29 | 82.8% | 0 |
| January 2025 | 56 | 53 | 88.7% | 3 |
| February 2025 | 34 | 34 | 82.4% | 0 |
| March 2025 | 21 | 21 | 76.2% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 34 | 34 | 82.4% | 0 |
| July 2025 | 61 | 61 | 70.5% | 0 |
| August 2025 | 28 | 28 | 85.7% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 30 | 30 | 93.3% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 57 | 57 | 94.7% | 0 |
| February 2026 | 54 | 54 | 92.6% | 0 |
| March 2026 | 35 | 35 | 91.4% | 0 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |