UA1479
UA1479 (United Airlines) is a multi-stop service on 9 routes, busiest Denver to Louisville. Of 904 departures recorded from October 2024 to July 2026, 86.8% left on time, according to the US BTS.
- On-time departures86.8%of 904 flights
- Average delay6.6 min
- July 202662▲ 77.1%vs July 2025
- Cancelled0.9%
- Legs flown under this number9
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 | 36 | ▲ 16.1% |
| February | 28 | 28 | 0.0% |
| March | 31 | 58 | ▲ 87.1% |
| April | 30 | 61 | ▲ 103.3% |
| May | 31 | 62 | ▲ 100.0% |
| June | 31 | 60 | ▲ 93.5% |
| July | 35 | 62 | ▲ 77.1% |
| August | 44 | – | – |
| September | 54 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 217 | 367 | ▲ 69.1% |
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 | 71.0% | 91.4% | ▲ 28.8% |
| February | 75.0% | 85.7% | ▲ 14.3% |
| March | 90.0% | 91.2% | ▲ 1.4% |
| April | 66.7% | 96.7% | ▲ 45.1% |
| May | 80.7% | 90.3% | ▲ 12.0% |
| June | 64.5% | 96.7% | ▲ 49.8% |
| July | 68.6% | 96.8% | ▲ 41.1% |
| August | 75.0% | – | – |
| September | 96.3% | – | – |
| October | 93.6% | – | in progress |
| November | 93.3% | – | – |
| December | 86.7% | – | – |
| Year-to-date average (Jan–Jul) | 73.8% | 92.7% | ▲ 25.7% |
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 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 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 99.1% 896
- Cancelled 0.9% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN SDF Denver International Airport – Louisville Muhammad Ali International Airport | 1,644 | 1.5 min | 92.2% | 347 |
| CID DEN The Eastern Iowa Airport – Denver International Airport | 1,112 | 15.1 min | 78.5% | 256 |
| SFO DEN San Francisco International Airport – Denver International Airport | 1,553 | -1.4 min | 96.0% | 149 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 31.4 min | 61.1% | 54 |
| ONT DEN Ontario International Airport – Denver International Airport | 1,316 | -4.5 min | 91.9% | 37 |
| DEN COS Denver International Airport – City of Colorado Springs Municipal Airport | 117 | 5.6 min | 88.6% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 96.0% | 0 |
| November 2024 | 58 | 57 | 86.0% | 1 |
| December 2024 | 33 | 29 | 82.8% | 4 |
| January 2025 | 31 | 31 | 71.0% | 0 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 30 | 90.0% | 1 |
| April 2025 | 30 | 30 | 66.7% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 31 | 31 | 64.5% | 0 |
| July 2025 | 35 | 35 | 68.6% | 0 |
| August 2025 | 44 | 44 | 75.0% | 0 |
| September 2025 | 54 | 54 | 96.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 30 | 93.3% | 0 |
| December 2025 | 45 | 45 | 86.7% | 0 |
| January 2026 | 36 | 35 | 91.4% | 1 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 58 | 57 | 91.2% | 1 |
| April 2026 | 61 | 61 | 96.7% | 0 |
| May 2026 | 62 | 62 | 90.3% | 0 |
| June 2026 | 60 | 60 | 96.7% | 0 |
| July 2026 | 62 | 62 | 96.8% | 0 |