UA457
UA457 (United Airlines) is a multi-stop service on 18 routes, busiest Jacksonville to Chicago. Of 1,102 departures recorded from October 2024 to July 2026, 69.9% left on time, according to the US BTS.
- On-time departures69.9%of 1,102 flights
- Average delay22.5 min
- July 202661▲ 0.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number18
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 | 37 | 36 | ▼ 2.7% |
| February | 44 | 41 | ▼ 6.8% |
| March | 62 | 59 | ▼ 4.8% |
| April | 60 | 30 | ▼ 50.0% |
| May | 62 | 54 | ▼ 12.9% |
| June | 60 | 84 | ▲ 40.0% |
| July | 61 | 61 | 0.0% |
| August | 34 | – | – |
| September | 35 | – | – |
| October | 56 | – | in progress |
| November | 59 | – | – |
| December | 60 | – | – |
| Year to date (Jan–Jul) | 386 | 365 | ▼ 5.4% |
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 | 85.7% | 71.4% | ▼ 16.7% |
| February | 81.8% | 85.4% | ▲ 4.3% |
| March | 79.0% | 67.2% | ▼ 14.9% |
| April | 78.3% | 86.7% | ▲ 10.6% |
| May | 64.5% | 72.2% | ▲ 11.9% |
| June | 51.7% | 57.3% | ▲ 10.9% |
| July | 41.7% | 63.2% | ▲ 51.6% |
| August | 67.7% | – | – |
| September | 82.9% | – | – |
| October | 78.6% | – | in progress |
| November | 74.1% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 69.0% | 71.9% | ▲ 4.3% |
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 | 2 | 1 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 1 | 4 | ▲ 300.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 8 | ▲ 166.7% |
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 98.9% 1,090
- Cancelled 1.1% 12
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JAX ORD Jacksonville International Airport – Chicago O'Hare International Airport | 1,393 | 17.0 min | 76.3% | 381 |
| ORD AUS Chicago O'Hare International Airport – Austin Bergstrom International Airport | 1,574 | 26.1 min | 61.6% | 330 |
| LAX ORD Los Angeles International Airport – Chicago O'Hare International Airport | 2,802 | 30.4 min | 75.6% | 125 |
| ORD CLE Chicago O'Hare International Airport – Cleveland Hopkins International Airport | 507 | 36.7 min | 55.2% | 71 |
| ORD OMA Chicago O'Hare International Airport – Eppley Airfield | 668 | 16.7 min | 68.2% | 45 |
| SFO LAX San Francisco International Airport – Los Angeles International Airport | 543 | 16.3 min | 60.0% | 35 |
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 11.3 min | 81.3% | 32 |
| PHL ORD Philadelphia International Airport – Chicago O'Hare International Airport | 1,088 | 21.7 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 35 | 85.7% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 42 | 42 | 57.1% | 0 |
| January 2025 | 37 | 35 | 85.7% | 2 |
| February 2025 | 44 | 44 | 81.8% | 0 |
| March 2025 | 62 | 62 | 79.0% | 0 |
| April 2025 | 60 | 60 | 78.3% | 0 |
| May 2025 | 62 | 62 | 64.5% | 0 |
| June 2025 | 60 | 60 | 51.7% | 0 |
| July 2025 | 61 | 60 | 41.7% | 1 |
| August 2025 | 34 | 34 | 67.7% | 0 |
| September 2025 | 35 | 35 | 82.9% | 0 |
| October 2025 | 56 | 56 | 78.6% | 0 |
| November 2025 | 59 | 58 | 74.1% | 1 |
| December 2025 | 60 | 60 | 66.7% | 0 |
| January 2026 | 36 | 35 | 71.4% | 1 |
| February 2026 | 41 | 41 | 85.4% | 0 |
| March 2026 | 59 | 58 | 67.2% | 1 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 54 | 54 | 72.2% | 0 |
| June 2026 | 84 | 82 | 57.3% | 2 |
| July 2026 | 61 | 57 | 63.2% | 4 |