UA1877
UA1877 (United Airlines) is a multi-stop service on 9 routes, busiest Grand Junction to Denver. Of 771 departures recorded from October 2024 to July 2026, 85.9% left on time, according to the US BTS.
- On-time departures85.9%of 771 flights
- Average delay8.8 min
- July 202631▼ 49.2%vs July 2025
- Cancelled1.4%
- Legs flown under this number9
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 | 28 | 0.0% |
| March | 31 | 34 | ▲ 9.7% |
| April | 30 | 59 | ▲ 96.7% |
| May | 31 | 31 | 0.0% |
| June | 35 | 30 | ▼ 14.3% |
| July | 61 | 31 | ▼ 49.2% |
| August | 46 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 60 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 247 | 244 | ▼ 1.2% |
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 | 93.6% | 90.3% | ▼ 3.5% |
| February | 92.9% | 100.0% | ▲ 7.7% |
| March | 80.7% | 97.1% | ▲ 20.3% |
| April | 90.0% | 89.7% | ▼ 0.4% |
| May | 83.9% | 90.3% | ▲ 7.7% |
| June | 70.6% | 100.0% | ▲ 41.7% |
| July | 48.2% | 93.6% | ▲ 94.0% |
| August | 73.8% | – | – |
| September | 93.3% | – | – |
| October | 96.8% | – | in progress |
| November | 98.3% | – | – |
| December | 78.1% | – | – |
| Year-to-date average (Jan–Jul) | 80.0% | 94.4% | ▲ 18.1% |
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 | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 5 | 0 | ▼ 100.0% |
| August | 4 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 1 | ▼ 83.3% |
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 98.6% 760
- Cancelled 1.4% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| GJT DEN Grand Junction Regional Airport – Denver International Airport | 341 | 3.0 min | 90.8% | 525 |
| DEN EWR Denver International Airport – Newark Liberty International Airport | 2,576 | 42.5 min | 52.1% | 54 |
| DEN MCO Denver International Airport – Orlando International Airport | 2,486 | 16.0 min | 73.0% | 37 |
| EWR ATL Newark Liberty International Airport – Hartsfield Jackson Atlanta International Airport | 1,199 | 77.8 min | 41.9% | 35 |
| DEN IAD Denver International Airport – Washington Dulles International Airport | 2,332 | 8.9 min | 87.5% | 32 |
| DEN BIL Denver International Airport – Billings Logan International Airport | 733 | -2.5 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 66.7% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 31 | 93.6% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 35 | 34 | 70.6% | 1 |
| July 2025 | 61 | 56 | 48.2% | 5 |
| August 2025 | 46 | 42 | 73.8% | 4 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 60 | 60 | 98.3% | 0 |
| December 2025 | 32 | 32 | 78.1% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 28 | 100.0% | 0 |
| March 2026 | 34 | 34 | 97.1% | 0 |
| April 2026 | 59 | 58 | 89.7% | 1 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 100.0% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |