UA1883
UA1883 (United Airlines) is a multi-stop service on 14 routes, busiest Denver to San Jose. Of 421 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 421 flights
- Average delay11.3 min
- July 202622
- Cancelled0.2%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | 26 | ▲ 4.0% |
| February | 44 | 28 | ▼ 36.4% |
| March | 10 | 31 | ▲ 210.0% |
| April | – | 30 | – |
| May | – | 24 | – |
| June | – | 20 | – |
| July | – | 22 | – |
| August | 9 | – | – |
| September | 16 | – | – |
| October | 6 | – | in progress |
| November | 31 | – | – |
| December | 17 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 72.0% | 76.9% | ▲ 6.8% |
| February | 84.1% | 89.3% | ▲ 6.2% |
| March | 100.0% | 83.9% | ▼ 16.1% |
| April | – | 89.7% | – |
| May | – | 75.0% | – |
| June | – | 65.0% | – |
| July | – | 72.7% | – |
| August | 100.0% | – | – |
| September | 93.8% | – | – |
| October | 66.7% | – | in progress |
| November | 64.5% | – | – |
| December | 76.5% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 1 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.8% 420
- Cancelled 0.2% 1
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 |
|---|---|---|---|---|
| DEN SJC Denver International Airport – Mineta San Jose International Airport | 1,522 | 14.6 min | 71.6% | 67 |
| ORD SJC Chicago O'Hare International Airport – Mineta San Jose International Airport | 2,937 | 6.4 min | 84.5% | 58 |
| CHS IAD Charleston International Airport – Washington Dulles International Airport | 712 | 31.5 min | 69.2% | 52 |
| ORD SAT Chicago O'Hare International Airport – San Antonio International Airport | 1,677 | -0.7 min | 91.9% | 37 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 5.6 min | 83.8% | 37 |
| PSP ORD Palm Springs International Airport – Chicago O'Hare International Airport | 2,653 | 5.5 min | 87.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 32 | 32 | 87.5% | 0 |
| January 2025 | 25 | 25 | 72.0% | 0 |
| February 2025 | 44 | 44 | 84.1% | 0 |
| March 2025 | 10 | 10 | 100.0% | 0 |
| August 2025 | 9 | 9 | 100.0% | 0 |
| September 2025 | 16 | 16 | 93.8% | 0 |
| October 2025 | 6 | 6 | 66.7% | 0 |
| November 2025 | 31 | 31 | 64.5% | 0 |
| December 2025 | 17 | 17 | 76.5% | 0 |
| January 2026 | 26 | 26 | 76.9% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 30 | 29 | 89.7% | 1 |
| May 2026 | 24 | 24 | 75.0% | 0 |
| June 2026 | 20 | 20 | 65.0% | 0 |
| July 2026 | 22 | 22 | 72.7% | 0 |