UA1522
UA1522 (United Airlines) is a multi-stop service on 8 routes, busiest Denver to Pittsburgh. Of 397 departures recorded from October 2024 to July 2026, 85.9% left on time, according to the US BTS.
- On-time departures85.9%of 397 flights
- Average delay4.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number8
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | – | – |
| February | 16 | – | – |
| March | 5 | 27 | ▲ 440.0% |
| April | – | 30 | – |
| May | 21 | 31 | ▲ 47.6% |
| June | 5 | 30 | ▲ 500.0% |
| July | 31 | 31 | 0.0% |
| August | 18 | – | – |
| September | 26 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 1 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | – | – |
| February | 93.8% | – | – |
| March | 80.0% | 85.2% | ▲ 6.5% |
| April | – | 86.7% | – |
| May | 100.0% | 87.1% | ▼ 12.9% |
| June | 80.0% | 90.0% | ▲ 12.5% |
| July | 71.0% | 77.4% | ▲ 9.1% |
| August | 72.2% | – | – |
| September | 92.3% | – | – |
| October | 93.6% | – | in progress |
| November | 80.0% | – | – |
| December | 100.0% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 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 100.0% 397
- Cancelled 0.0% 0
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 |
|---|---|---|---|---|
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | 9.4 min | 81.6% | 125 |
| DEN IND Denver International Airport – Indianapolis International Airport | 1,568 | 3.9 min | 85.6% | 125 |
| DEN SAV Denver International Airport – Savannah Hilton Head International Airport | 2,272 | 2.1 min | 81.1% | 37 |
| DEN BTV Denver International Airport – Patrick Leahy Burlington International Airport | 2,631 | -1.1 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 29 | 29 | 89.7% | 0 |
| December 2024 | 29 | 29 | 89.7% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| February 2025 | 16 | 16 | 93.8% | 0 |
| March 2025 | 5 | 5 | 80.0% | 0 |
| May 2025 | 21 | 21 | 100.0% | 0 |
| June 2025 | 5 | 5 | 80.0% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 18 | 18 | 72.2% | 0 |
| September 2025 | 26 | 26 | 92.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 1 | 1 | 100.0% | 0 |
| March 2026 | 27 | 27 | 85.2% | 0 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 77.4% | 0 |