UA426
UA426 (United Airlines) is a multi-stop service on 14 routes, busiest Detroit to Chicago. Of 904 departures recorded from October 2024 to July 2026, 81.3% left on time, according to the US BTS.
- On-time departures81.3%of 904 flights
- Average delay13.2 min
- July 202631▼ 42.6%vs July 2025
- Cancelled0.9%
- 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 | 46 | 31 | ▼ 32.6% |
| February | 33 | 28 | ▼ 15.2% |
| March | 56 | 57 | ▲ 1.8% |
| April | 60 | 59 | ▼ 1.7% |
| May | 48 | 31 | ▼ 35.4% |
| June | 52 | 30 | ▼ 42.3% |
| July | 54 | 31 | ▼ 42.6% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 59 | – | – |
| December | 48 | – | – |
| Year to date (Jan–Jul) | 349 | 267 | ▼ 23.5% |
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 | 80.4% | 80.7% | ▲ 0.3% |
| February | 81.8% | 82.1% | ▲ 0.4% |
| March | 71.4% | 84.9% | ▲ 18.9% |
| April | 71.7% | 86.2% | ▲ 20.3% |
| May | 77.1% | 83.9% | ▲ 8.8% |
| June | 78.9% | 86.7% | ▲ 9.9% |
| July | 94.4% | 74.2% | ▼ 21.4% |
| August | 96.7% | – | – |
| September | 76.7% | – | – |
| October | 86.5% | – | in progress |
| November | 70.2% | – | – |
| December | 72.9% | – | – |
| Year-to-date average (Jan–Jul) | 79.4% | 82.7% | ▲ 4.1% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 4 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 5 |
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 99.1% 896
- Cancelled 0.9% 8
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW ORD Detroit Metropolitan Wayne County Airport – Chicago O'Hare International Airport | 376 | 9.7 min | 84.1% | 583 |
| ORD PDX Chicago O'Hare International Airport – Portland International Airport | 2,792 | 29.3 min | 64.8% | 105 |
| ORD MSY Chicago O'Hare International Airport – Louis Armstrong New Orleans International Airport | 1,349 | 11.1 min | 83.0% | 56 |
| ORD IAD Chicago O'Hare International Airport – Washington Dulles International Airport | 945 | 28.8 min | 66.7% | 36 |
| SRQ ORD Sarasota Bradenton International Airport – Chicago O'Hare International Airport | 1,693 | 8.2 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 25 | 25 | 92.0% | 0 |
| December 2024 | 38 | 38 | 84.2% | 0 |
| January 2025 | 46 | 46 | 80.4% | 0 |
| February 2025 | 33 | 33 | 81.8% | 0 |
| March 2025 | 56 | 56 | 71.4% | 0 |
| April 2025 | 60 | 60 | 71.7% | 0 |
| May 2025 | 48 | 48 | 77.1% | 0 |
| June 2025 | 52 | 52 | 78.9% | 0 |
| July 2025 | 54 | 54 | 94.4% | 0 |
| August 2025 | 31 | 30 | 96.7% | 1 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 37 | 37 | 86.5% | 0 |
| November 2025 | 59 | 57 | 70.2% | 2 |
| December 2025 | 48 | 48 | 72.9% | 0 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 57 | 53 | 84.9% | 4 |
| April 2026 | 59 | 58 | 86.2% | 1 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 74.2% | 0 |