UA2497
UA2497 (United Airlines) is a multi-stop service on 13 routes, busiest Dulles to Chicago. Of 1,152 departures recorded from October 2024 to July 2026, 76.6% left on time, according to the US BTS.
- On-time departures76.6%of 1,152 flights
- Average delay19.6 min
- July 202654▼ 41.3%vs July 2025
- Cancelled0.8%
- Legs flown under this number13
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 67 | ▲ 116.1% |
| February | 28 | 58 | ▲ 107.1% |
| March | 79 | 64 | ▼ 19.0% |
| April | 30 | 87 | ▲ 190.0% |
| May | 83 | 58 | ▼ 30.1% |
| June | 65 | 52 | ▼ 20.0% |
| July | 92 | 54 | ▼ 41.3% |
| August | 62 | – | – |
| September | 53 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 408 | 440 | ▲ 7.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 80.0% | 78.5% | ▼ 1.9% |
| February | 89.3% | 87.9% | ▼ 1.5% |
| March | 79.8% | 87.3% | ▲ 9.5% |
| April | 90.0% | 83.9% | ▼ 6.8% |
| May | 72.3% | 81.0% | ▲ 12.1% |
| June | 69.2% | 80.8% | ▲ 16.7% |
| July | 46.2% | 65.4% | ▲ 41.7% |
| August | 65.0% | – | – |
| September | 90.6% | – | – |
| October | 80.7% | – | in progress |
| November | 73.3% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 75.2% | 80.7% | ▲ 7.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 5 | ▲ 150.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.2% 1,143
- Cancelled 0.8% 9
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 |
|---|---|---|---|---|
| IAD ORD Washington Dulles International Airport – Chicago O'Hare International Airport | 945 | 29.6 min | 71.2% | 589 |
| MSY IAD Louis Armstrong New Orleans International Airport – Washington Dulles International Airport | 1,537 | 2.3 min | 93.0% | 174 |
| LAS IAD Harry Reid International Airport – Washington Dulles International Airport | 3,316 | 3.3 min | 88.6% | 88 |
| SMF IAD Sacramento International Airport – Washington Dulles International Airport | 3,785 | 2.1 min | 88.7% | 53 |
| ORD DTW Chicago O'Hare International Airport – Detroit Metropolitan Wayne County Airport | 376 | 47.2 min | 33.3% | 52 |
| PHX IAD Phoenix Sky Harbor International Airport – Washington Dulles International Airport | 3,141 | 11.5 min | 83.3% | 36 |
| IAH MSY George Bush Intercontinental Airport – Louis Armstrong New Orleans International Airport | 489 | -7.0 min | 97.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 47 | 47 | 80.9% | 0 |
| January 2025 | 31 | 30 | 80.0% | 1 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 79 | 79 | 79.8% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 83 | 83 | 72.3% | 0 |
| June 2025 | 65 | 65 | 69.2% | 0 |
| July 2025 | 92 | 91 | 46.2% | 1 |
| August 2025 | 62 | 60 | 65.0% | 2 |
| September 2025 | 53 | 53 | 90.6% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 30 | 30 | 73.3% | 0 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 67 | 65 | 78.5% | 2 |
| February 2026 | 58 | 58 | 87.9% | 0 |
| March 2026 | 64 | 63 | 87.3% | 1 |
| April 2026 | 87 | 87 | 83.9% | 0 |
| May 2026 | 58 | 58 | 81.0% | 0 |
| June 2026 | 52 | 52 | 80.8% | 0 |
| July 2026 | 54 | 52 | 65.4% | 2 |