UA2440
UA2440 (United Airlines) is a multi-stop service on 19 routes, busiest Chicago to Las Vegas. Of 833 departures recorded from October 2024 to July 2026, 90.1% left on time, according to the US BTS.
- On-time departures90.1%of 833 flights
- Average delay3.8 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.4%
- Legs flown under this number19
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 | 32 | 31 | ▼ 3.1% |
| February | 47 | 45 | ▼ 4.3% |
| March | 36 | 35 | ▼ 2.8% |
| April | 30 | 30 | 0.0% |
| May | 41 | 31 | ▼ 24.4% |
| June | 55 | 30 | ▼ 45.5% |
| July | 30 | 31 | ▲ 3.3% |
| August | 62 | – | – |
| September | 54 | – | – |
| October | 37 | – | in progress |
| November | 58 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 271 | 233 | ▼ 14.0% |
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 | 93.8% | 93.3% | ▼ 0.4% |
| February | 87.2% | 91.1% | ▲ 4.4% |
| March | 91.7% | 82.9% | ▼ 9.6% |
| April | 100.0% | 96.7% | ▼ 3.3% |
| May | 92.7% | 71.0% | ▼ 23.4% |
| June | 90.9% | 93.3% | ▲ 2.7% |
| July | 82.8% | 87.1% | ▲ 5.2% |
| August | 87.1% | – | – |
| September | 92.6% | – | – |
| October | 91.9% | – | in progress |
| November | 91.4% | – | – |
| December | 90.6% | – | – |
| Year-to-date average (Jan–Jul) | 91.3% | 87.9% | ▼ 3.7% |
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 | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.6% 830
- Cancelled 0.4% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD LAS Chicago O'Hare International Airport – Harry Reid International Airport | 2,432 | 4.1 min | 88.6% | 306 |
| IAD ORD Washington Dulles International Airport – Chicago O'Hare International Airport | 945 | 0.6 min | 95.1% | 164 |
| BDL IAD Bradley International Airport – Washington Dulles International Airport | 523 | 3.9 min | 91.9% | 87 |
| MCO EWR Orlando International Airport – Newark Liberty International Airport | 1,511 | -2.9 min | 88.9% | 37 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 1.5 min | 94.6% | 37 |
| EWR ORD Newark Liberty International Airport – Chicago O'Hare International Airport | 1,154 | -3.6 min | 94.4% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 29 | 93.1% | 1 |
| December 2024 | 36 | 36 | 88.9% | 0 |
| January 2025 | 32 | 32 | 93.8% | 0 |
| February 2025 | 47 | 47 | 87.2% | 0 |
| March 2025 | 36 | 36 | 91.7% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 41 | 41 | 92.7% | 0 |
| June 2025 | 55 | 55 | 90.9% | 0 |
| July 2025 | 30 | 29 | 82.8% | 1 |
| August 2025 | 62 | 62 | 87.1% | 0 |
| September 2025 | 54 | 54 | 92.6% | 0 |
| October 2025 | 37 | 37 | 91.9% | 0 |
| November 2025 | 58 | 58 | 91.4% | 0 |
| December 2025 | 32 | 32 | 90.6% | 0 |
| January 2026 | 31 | 30 | 93.3% | 1 |
| February 2026 | 45 | 45 | 91.1% | 0 |
| March 2026 | 35 | 35 | 82.9% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 71.0% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |