UA1356
UA1356 (United Airlines) is a multi-stop service on 8 routes, busiest Phoenix to Denver. Of 747 departures recorded from October 2024 to July 2026, 76.1% left on time, according to the US BTS.
- On-time departures76.1%of 747 flights
- Average delay16.7 min
- July 202630▼ 51.6%vs July 2025
- Cancelled1.1%
- Legs flown under this number8
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 | 37 | 36 | ▼ 2.7% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 35 | 30 | ▼ 14.3% |
| July | 62 | 30 | ▼ 51.6% |
| August | 49 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 254 | 216 | ▼ 15.0% |
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 | 78.4% | 88.6% | ▲ 13.0% |
| February | 85.7% | 76.0% | ▼ 11.3% |
| March | 87.1% | 67.7% | ▼ 22.2% |
| April | 93.3% | 66.7% | ▼ 28.6% |
| May | 58.1% | 83.9% | ▲ 44.5% |
| June | 68.6% | 70.0% | ▲ 2.1% |
| July | 62.3% | 70.0% | ▲ 12.4% |
| August | 59.2% | – | – |
| September | 73.3% | – | – |
| October | 77.4% | – | in progress |
| November | 96.6% | – | – |
| December | 76.7% | – | – |
| Year-to-date average (Jan–Jul) | 76.2% | 74.7% | ▼ 2.0% |
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 | 0 | 1 | – |
| February | 0 | 3 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 98.9% 739
- Cancelled 1.1% 8
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | 16.0 min | 78.6% | 253 |
| DEN BOS Denver International Airport – Boston Logan International Airport | 2,816 | 20.6 min | 73.5% | 185 |
| DEN MIA Denver International Airport – Miami International Airport | 2,749 | 21.3 min | 68.3% | 161 |
| DEN JAX Denver International Airport – Jacksonville International Airport | 2,325 | 7.2 min | 82.7% | 52 |
| SJC DEN Mineta San Jose International Airport – Denver International Airport | 1,522 | 8.2 min | 78.4% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 82.8% | 0 |
| December 2024 | 44 | 43 | 81.4% | 1 |
| January 2025 | 37 | 37 | 78.4% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 58.1% | 0 |
| June 2025 | 35 | 35 | 68.6% | 0 |
| July 2025 | 62 | 61 | 62.3% | 1 |
| August 2025 | 49 | 49 | 59.2% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 45 | 43 | 76.7% | 2 |
| January 2026 | 36 | 35 | 88.6% | 1 |
| February 2026 | 28 | 25 | 76.0% | 3 |
| March 2026 | 31 | 31 | 67.7% | 0 |
| April 2026 | 30 | 30 | 66.7% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 70.0% | 0 |
| July 2026 | 30 | 30 | 70.0% | 0 |