UA1220
UA1220 (United Airlines) is a multi-stop service on 8 routes, busiest Denver to Detroit. Of 770 departures recorded from October 2024 to July 2026, 73.8% left on time, according to the US BTS.
- On-time departures73.8%of 770 flights
- Average delay18.5 min
- July 202630▼ 67.7%vs July 2025
- Cancelled0.5%
- 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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 55 | ▲ 77.4% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 40 | 30 | ▼ 25.0% |
| July | 93 | 30 | ▼ 67.7% |
| August | 49 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 284 | 235 | ▼ 17.3% |
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 | 72.4% | 87.1% | ▲ 20.3% |
| February | 82.1% | 64.3% | ▼ 21.7% |
| March | 74.2% | 70.9% | ▼ 4.4% |
| April | 56.7% | 83.3% | ▲ 47.0% |
| May | 61.3% | 77.4% | ▲ 26.3% |
| June | 60.0% | 53.3% | ▼ 11.1% |
| July | 70.3% | 56.7% | ▼ 19.4% |
| August | 67.4% | – | – |
| September | 86.7% | – | – |
| October | 80.7% | – | in progress |
| November | 96.7% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 68.1% | 70.4% | ▲ 3.4% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 0 | ▼ 100.0% |
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 99.5% 766
- Cancelled 0.5% 4
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 |
|---|---|---|---|---|
| DEN DTW Denver International Airport – Detroit Metropolitan Wayne County Airport | 1,802 | 22.0 min | 70.6% | 561 |
| IAH AUS George Bush Intercontinental Airport – Austin Bergstrom International Airport | 225 | 14.0 min | 71.4% | 37 |
| BWI LAX Baltimore/Washington International Thurgood Marshall Airport – Los Angeles International Airport | 3,740 | -2.1 min | 91.9% | 37 |
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 4.9 min | 88.9% | 36 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 25.6 min | 70.6% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 29 | 72.4% | 2 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 56.7% | 0 |
| May 2025 | 31 | 31 | 61.3% | 0 |
| June 2025 | 40 | 40 | 60.0% | 0 |
| July 2025 | 93 | 91 | 70.3% | 2 |
| August 2025 | 49 | 49 | 67.4% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 55 | 55 | 70.9% | 0 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 53.3% | 0 |
| July 2026 | 30 | 30 | 56.7% | 0 |