UA2643
UA2643 (United Airlines) is a multi-stop service on 4 routes, busiest Denver to Hartford. Of 961 departures recorded from October 2024 to July 2026, 91.5% left on time, according to the US BTS.
- On-time departures91.5%of 961 flights
- Average delay1.4 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.3%
- Legs flown under this number4
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 | 34 | ▲ 9.7% |
| April | 30 | 60 | ▲ 100.0% |
| May | 52 | 62 | ▲ 19.2% |
| June | 35 | 60 | ▲ 71.4% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 61 | – | in progress |
| November | 59 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 269 | 337 | ▲ 25.3% |
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 | 90.3% | 93.3% | ▲ 3.3% |
| February | 92.9% | 96.3% | ▲ 3.7% |
| March | 90.3% | 82.4% | ▼ 8.8% |
| April | 86.7% | 91.7% | ▲ 5.8% |
| May | 86.5% | 88.7% | ▲ 2.5% |
| June | 88.6% | 96.7% | ▲ 9.1% |
| July | 90.3% | 93.4% | ▲ 3.5% |
| August | 90.3% | – | – |
| September | 93.3% | – | – |
| October | 95.1% | – | in progress |
| November | 94.9% | – | – |
| December | 93.8% | – | – |
| Year-to-date average (Jan–Jul) | 89.4% | 91.8% | ▲ 2.7% |
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 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.7% 958
- Cancelled 0.3% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN BDL Denver International Airport – Bradley International Airport | 2,683 | 4.9 min | 87.2% | 549 |
| SLC DEN Salt Lake City International Airport – Denver International Airport | 628 | -2.7 min | 97.6% | 250 |
| IAH DEN George Bush Intercontinental Airport – Denver International Airport | 1,387 | -3.6 min | 96.8% | 125 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | -5.6 min | 97.3% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 52 | 52 | 86.5% | 0 |
| June 2025 | 35 | 35 | 88.6% | 0 |
| July 2025 | 62 | 62 | 90.3% | 0 |
| August 2025 | 62 | 62 | 90.3% | 0 |
| September 2025 | 60 | 60 | 93.3% | 0 |
| October 2025 | 61 | 61 | 95.1% | 0 |
| November 2025 | 59 | 59 | 94.9% | 0 |
| December 2025 | 32 | 32 | 93.8% | 0 |
| January 2026 | 31 | 30 | 93.3% | 1 |
| February 2026 | 28 | 27 | 96.3% | 1 |
| March 2026 | 34 | 34 | 82.4% | 0 |
| April 2026 | 60 | 60 | 91.7% | 0 |
| May 2026 | 62 | 62 | 88.7% | 0 |
| June 2026 | 60 | 60 | 96.7% | 0 |
| July 2026 | 62 | 61 | 93.4% | 1 |