UA2420
UA2420 (United Airlines) is a multi-stop service on 14 routes, busiest San Francisco to Denver. Of 834 departures recorded from October 2024 to July 2026, 89.2% left on time, according to the US BTS.
- On-time departures89.2%of 834 flights
- Average delay2.9 min
- July 202631▼ 50.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number14
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 | 54 | ▲ 74.2% |
| April | 30 | 26 | ▼ 13.3% |
| May | 41 | 31 | ▼ 24.4% |
| June | 60 | 30 | ▼ 50.0% |
| July | 62 | 31 | ▼ 50.0% |
| August | 31 | – | – |
| September | 36 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 46 | – | – |
| Year to date (Jan–Jul) | 283 | 236 | ▼ 16.6% |
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 | 89.3% | 100.0% | ▲ 12.0% |
| February | 75.0% | 92.9% | ▲ 23.8% |
| March | 93.6% | 78.9% | ▼ 15.7% |
| April | 96.7% | 88.5% | ▼ 8.5% |
| May | 92.7% | 83.9% | ▼ 9.5% |
| June | 95.0% | 93.3% | ▼ 1.8% |
| July | 85.5% | 89.7% | ▲ 4.9% |
| August | 80.7% | – | – |
| September | 91.7% | – | – |
| October | 95.2% | – | in progress |
| November | 88.3% | – | – |
| December | 95.7% | – | – |
| Year-to-date average (Jan–Jul) | 89.7% | 89.6% | ▼ 0.1% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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 99.2% 827
- Cancelled 0.8% 7
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO DEN San Francisco International Airport – Denver International Airport | 1,553 | -3.1 min | 97.4% | 343 |
| DEN TYS Denver International Airport – McGhee Tyson Airport | 1,866 | 6.0 min | 81.2% | 191 |
| CLE RSW Cleveland Hopkins International Airport – Southwest Florida International Airport | 1,654 | -0.2 min | 94.0% | 51 |
| MSY ORD Louis Armstrong New Orleans International Airport – Chicago O'Hare International Airport | 1,349 | 3.9 min | 91.4% | 37 |
| IAH BNA George Bush Intercontinental Airport – Nashville International Airport | 1,057 | -3.5 min | 94.1% | 37 |
| DEN DCA Denver International Airport – Ronald Reagan Washington National Airport | 2,369 | 17.8 min | 78.4% | 37 |
| DEN TVC Denver International Airport – Cherry Capital Airport | 1,657 | 0.8 min | 91.4% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 75.9% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 28 | 89.3% | 3 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 41 | 41 | 92.7% | 0 |
| June 2025 | 60 | 60 | 95.0% | 0 |
| July 2025 | 62 | 62 | 85.5% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 36 | 36 | 91.7% | 0 |
| October 2025 | 62 | 62 | 95.2% | 0 |
| November 2025 | 60 | 60 | 88.3% | 0 |
| December 2025 | 46 | 46 | 95.7% | 0 |
| January 2026 | 36 | 36 | 100.0% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 54 | 52 | 78.9% | 2 |
| April 2026 | 26 | 26 | 88.5% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 29 | 89.7% | 2 |