UA221
UA221 (United Airlines) is a multi-stop service on 13 routes, busiest Denver to El Paso. Of 527 departures recorded from October 2024 to March 2026, 86.0% left on time, according to the US BTS.
- On-time departures86.0%of 527 flights
- Average delay8.1 min
- March 20261▼ 96.8%vs March 2025
- Cancelled0.0%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 37 | 31 | ▼ 16.2% |
| February | 28 | 11 | ▼ 60.7% |
| March | 31 | 1 | ▼ 96.8% |
| April | 30 | – | – |
| May | 52 | – | – |
| June | 33 | – | – |
| July | 31 | – | – |
| August | 43 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Mar) | 96 | 43 | ▼ 55.2% |
according to the US BTS · October 2024 → March 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 81.1% | 93.6% | ▲ 15.4% |
| February | 85.7% | 90.9% | ▲ 6.1% |
| March | 83.9% | 100.0% | ▲ 19.2% |
| April | 86.7% | – | – |
| May | 84.6% | – | – |
| June | 90.9% | – | – |
| July | 80.7% | – | – |
| August | 90.7% | – | – |
| September | 93.3% | – | – |
| October | 80.7% | – | in progress |
| November | 80.0% | – | – |
| December | 83.9% | – | – |
| Year-to-date average (Jan–Mar) | 83.6% | 94.8% | ▲ 13.5% |
according to the US BTS · October 2024 → March 2026
Average departure delay by month
according to the US BTS · October 2024 → March 2026
Cancelled departures by month
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Mar) | 0 | 0 |
according to the US BTS · October 2024 → March 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% 527
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 5, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN ELP Denver International Airport – El Paso International Airport | 908 | 8.7 min | 85.2% | 331 |
| ATL DEN Hartsfield Jackson Atlanta International Airport – Denver International Airport | 1,927 | 8.1 min | 88.8% | 89 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 82.4% | 0 |
| November 2024 | 15 | 15 | 73.3% | 0 |
| December 2024 | 45 | 45 | 91.1% | 0 |
| January 2025 | 37 | 37 | 81.1% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 52 | 52 | 84.6% | 0 |
| June 2025 | 33 | 33 | 90.9% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 43 | 43 | 90.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 31 | 31 | 83.9% | 0 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 11 | 11 | 90.9% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |