UA1333
UA1333 (United Airlines) is a multi-stop service on 21 routes, busiest Denver to New York. Of 999 departures recorded from October 2024 to July 2026, 75.8% left on time, according to the US BTS.
- On-time departures75.8%of 999 flights
- Average delay17.6 min
- July 202612▼ 79.3%vs July 2025
- Cancelled1.0%
- Legs flown under this number21
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 | 41 | ▲ 32.3% |
| February | 28 | 31 | ▲ 10.7% |
| March | 51 | 34 | ▼ 33.3% |
| April | 30 | 59 | ▲ 96.7% |
| May | 36 | 11 | ▼ 69.4% |
| June | 56 | 2 | ▼ 96.4% |
| July | 58 | 12 | ▼ 79.3% |
| August | 59 | – | – |
| September | 64 | – | – |
| October | 82 | – | in progress |
| November | 58 | – | – |
| December | 80 | – | – |
| Year to date (Jan–Jul) | 290 | 190 | ▼ 34.5% |
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 | 76.7% | 73.2% | ▼ 4.6% |
| February | 71.4% | 80.7% | ▲ 12.9% |
| March | 72.6% | 78.8% | ▲ 8.6% |
| April | 66.7% | 79.7% | ▲ 19.5% |
| May | 52.8% | 63.6% | ▲ 20.6% |
| June | 68.5% | 100.0% | ▲ 45.9% |
| July | 65.5% | 66.7% | ▲ 1.9% |
| August | 71.2% | – | – |
| September | 87.3% | – | – |
| October | 85.4% | – | in progress |
| November | 72.4% | – | – |
| December | 69.2% | – | – |
| Year-to-date average (Jan–Jul) | 67.7% | 77.5% | ▲ 14.5% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| 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 99.0% 989
- Cancelled 1.0% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 16, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN LGA Denver International Airport – LaGuardia Airport | 2,600 | 20.8 min | 68.6% | 318 |
| SFO DEN San Francisco International Airport – Denver International Airport | 1,553 | 24.6 min | 74.3% | 191 |
| IAH DEN George Bush Intercontinental Airport – Denver International Airport | 1,387 | 10.1 min | 83.5% | 104 |
| DEN PHX Denver International Airport – Phoenix Sky Harbor International Airport | 968 | 17.8 min | 77.5% | 81 |
| SAT IAH San Antonio International Airport – George Bush Intercontinental Airport | 306 | 2.8 min | 89.4% | 47 |
| TUS DEN Tucson International Airport – Denver International Airport | 1,029 | 4.6 min | 88.9% | 37 |
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | 14.6 min | 75.0% | 36 |
| ORD GRR Chicago O'Hare International Airport – Gerald R. Ford International Airport | 220 | 21.2 min | 81.3% | 32 |
| IAH ORD George Bush Intercontinental Airport – Chicago O'Hare International Airport | 1,491 | 11.7 min | 78.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 53 | 53 | 92.5% | 0 |
| November 2024 | 88 | 88 | 81.8% | 0 |
| December 2024 | 35 | 35 | 82.9% | 0 |
| January 2025 | 31 | 30 | 76.7% | 1 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 51 | 51 | 72.6% | 0 |
| April 2025 | 30 | 30 | 66.7% | 0 |
| May 2025 | 36 | 36 | 52.8% | 0 |
| June 2025 | 56 | 54 | 68.5% | 2 |
| July 2025 | 58 | 55 | 65.5% | 3 |
| August 2025 | 59 | 59 | 71.2% | 0 |
| September 2025 | 64 | 63 | 87.3% | 1 |
| October 2025 | 82 | 82 | 85.4% | 0 |
| November 2025 | 58 | 58 | 72.4% | 0 |
| December 2025 | 80 | 78 | 69.2% | 2 |
| January 2026 | 41 | 41 | 73.2% | 0 |
| February 2026 | 31 | 31 | 80.7% | 0 |
| March 2026 | 34 | 33 | 78.8% | 1 |
| April 2026 | 59 | 59 | 79.7% | 0 |
| May 2026 | 11 | 11 | 63.6% | 0 |
| June 2026 | 2 | 2 | 100.0% | 0 |
| July 2026 | 12 | 12 | 66.7% | 0 |