UA1937
UA1937 (United Airlines) is a multi-stop service on 12 routes, busiest Denver to Tulsa. Of 889 departures recorded from October 2024 to July 2026, 77.2% left on time, according to the US BTS.
- On-time departures77.2%of 889 flights
- Average delay16.9 min
- July 202630▼ 51.6%vs July 2025
- Cancelled0.3%
- Legs flown under this number12
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 | 31 | 0.0% |
| February | 28 | 27 | ▼ 3.6% |
| March | 33 | 58 | ▲ 75.8% |
| April | 60 | 60 | 0.0% |
| May | 52 | 51 | ▼ 1.9% |
| June | 35 | 30 | ▼ 14.3% |
| July | 62 | 30 | ▼ 51.6% |
| August | 67 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 58 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 301 | 287 | ▼ 4.7% |
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 | 77.4% | 96.6% | ▲ 24.7% |
| February | 92.9% | 81.5% | ▼ 12.3% |
| March | 84.9% | 82.5% | ▼ 2.8% |
| April | 85.0% | 86.7% | ▲ 2.0% |
| May | 67.3% | 74.5% | ▲ 10.7% |
| June | 60.0% | 76.7% | ▲ 27.8% |
| July | 58.1% | 66.7% | ▲ 14.8% |
| August | 77.6% | – | – |
| September | 83.3% | – | – |
| October | 81.1% | – | in progress |
| November | 87.9% | – | – |
| December | 78.1% | – | – |
| Year-to-date average (Jan–Jul) | 75.1% | 80.7% | ▲ 7.5% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| 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) | 0 | 3 |
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 99.7% 886
- Cancelled 0.3% 3
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN TUL Denver International Airport – Tulsa International Airport | 870 | 20.8 min | 77.1% | 309 |
| RNO DEN Reno Tahoe International Airport – Denver International Airport | 1,291 | 18.7 min | 74.8% | 214 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | 10.7 min | 79.6% | 98 |
| FLL EWR Fort Lauderdale Hollywood International Airport – Newark Liberty International Airport | 1,717 | 36.1 min | 59.4% | 64 |
| MKE DEN General Mitchell International Airport – Denver International Airport | 1,438 | 5.0 min | 75.7% | 37 |
| PHX IAH Phoenix Sky Harbor International Airport – George Bush Intercontinental Airport | 1,620 | -3.9 min | 93.8% | 32 |
| IAH MCO George Bush Intercontinental Airport – Orlando International Airport | 1,372 | 19.9 min | 71.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 58.8% | 0 |
| November 2024 | 29 | 29 | 58.6% | 0 |
| December 2024 | 31 | 31 | 74.2% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 33 | 33 | 84.9% | 0 |
| April 2025 | 60 | 60 | 85.0% | 0 |
| May 2025 | 52 | 52 | 67.3% | 0 |
| June 2025 | 35 | 35 | 60.0% | 0 |
| July 2025 | 62 | 62 | 58.1% | 0 |
| August 2025 | 67 | 67 | 77.6% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 37 | 37 | 81.1% | 0 |
| November 2025 | 58 | 58 | 87.9% | 0 |
| December 2025 | 32 | 32 | 78.1% | 0 |
| January 2026 | 31 | 29 | 96.6% | 2 |
| February 2026 | 27 | 27 | 81.5% | 0 |
| March 2026 | 58 | 57 | 82.5% | 1 |
| April 2026 | 60 | 60 | 86.7% | 0 |
| May 2026 | 51 | 51 | 74.5% | 0 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 30 | 30 | 66.7% | 0 |