UA1781
UA1781 (United Airlines) is a multi-stop service on 10 routes, busiest Des Moines to Denver. Of 684 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 684 flights
- Average delay14.7 min
- July 202657▲ 83.9%vs July 2025
- Cancelled0.7%
- Legs flown under this number10
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 | 26 | 28 | ▲ 7.7% |
| March | 30 | 31 | ▲ 3.3% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 35 | ▲ 16.7% |
| July | 31 | 57 | ▲ 83.9% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 209 | 243 | ▲ 16.3% |
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 | 83.9% | 80.7% | ▼ 3.8% |
| February | 84.6% | 92.9% | ▲ 9.7% |
| March | 82.8% | 83.3% | ▲ 0.7% |
| April | 70.0% | 90.0% | ▲ 28.6% |
| May | 53.3% | 80.7% | ▲ 51.2% |
| June | 46.7% | 77.1% | ▲ 65.3% |
| July | 93.6% | 73.2% | ▼ 21.7% |
| August | 51.6% | – | – |
| September | 76.7% | – | – |
| October | 80.7% | – | in progress |
| November | 82.8% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 73.5% | 82.5% | ▲ 12.2% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 99.3% 679
- Cancelled 0.7% 5
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DSM DEN Des Moines International Airport – Denver International Airport | 947 | 15.1 min | 78.0% | 480 |
| DEN MCI Denver International Airport – Kansas City International Airport | 855 | 51.6 min | 52.9% | 35 |
| SFO DTW San Francisco International Airport – Detroit Metropolitan Wayne County Airport | 3,337 | 3.1 min | 81.3% | 32 |
| ORD DSM Chicago O'Hare International Airport – Des Moines International Airport | 480 | 14.4 min | 90.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 30 | 96.7% | 1 |
| January 2025 | 31 | 31 | 83.9% | 0 |
| February 2025 | 26 | 26 | 84.6% | 0 |
| March 2025 | 30 | 29 | 82.8% | 1 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 31 | 30 | 53.3% | 1 |
| June 2025 | 30 | 30 | 46.7% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 31 | 31 | 51.6% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 29 | 29 | 82.8% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 30 | 83.3% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 35 | 35 | 77.1% | 0 |
| July 2026 | 57 | 56 | 73.2% | 1 |