UA1188
UA1188 (United Airlines) is a multi-stop service on 5 routes, busiest Redmond to Denver. Of 943 departures recorded from October 2024 to July 2026, 88.0% left on time, according to the US BTS.
- On-time departures88.0%of 943 flights
- Average delay8.6 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number5
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 | 56 | 27 | ▼ 51.8% |
| March | 39 | 31 | ▼ 20.5% |
| April | 30 | 30 | 0.0% |
| May | 62 | 42 | ▼ 32.3% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 56 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 340 | 283 | ▼ 16.8% |
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 | 90.0% | 86.2% | ▼ 4.2% |
| February | 78.6% | 88.9% | ▲ 13.1% |
| March | 82.1% | 96.7% | ▲ 17.8% |
| April | 90.0% | 93.3% | ▲ 3.7% |
| May | 88.7% | 92.9% | ▲ 4.7% |
| June | 86.7% | 83.3% | ▼ 3.9% |
| July | 85.3% | 83.9% | ▼ 1.6% |
| August | 88.7% | – | – |
| September | 91.7% | – | – |
| October | 87.5% | – | in progress |
| November | 93.1% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 85.9% | 89.3% | ▲ 4.0% |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 99.0% 934
- Cancelled 1.0% 9
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDM DEN Roberts Field – Denver International Airport | 1,442 | 9.2 min | 90.0% | 657 |
| DEN RAP Denver International Airport – Rapid City Regional Airport | 484 | 5.2 min | 84.3% | 178 |
| DEN TUS Denver International Airport – Tucson International Airport | 1,029 | 3.9 min | 87.5% | 72 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 28 | 89.3% | 3 |
| January 2025 | 31 | 30 | 90.0% | 1 |
| February 2025 | 56 | 56 | 78.6% | 0 |
| March 2025 | 39 | 39 | 82.1% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 62 | 62 | 88.7% | 0 |
| June 2025 | 60 | 60 | 86.7% | 0 |
| July 2025 | 62 | 61 | 85.3% | 1 |
| August 2025 | 62 | 62 | 88.7% | 0 |
| September 2025 | 60 | 60 | 91.7% | 0 |
| October 2025 | 56 | 56 | 87.5% | 0 |
| November 2025 | 30 | 29 | 93.1% | 1 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 31 | 29 | 86.2% | 2 |
| February 2026 | 27 | 27 | 88.9% | 0 |
| March 2026 | 31 | 30 | 96.7% | 1 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 42 | 42 | 92.9% | 0 |
| June 2026 | 60 | 60 | 83.3% | 0 |
| July 2026 | 62 | 62 | 83.9% | 0 |