UA307
UA307 (United Airlines) is a multi-stop service on 16 routes, busiest Columbus to Chicago. Of 1,037 departures recorded from October 2024 to July 2026, 86.8% left on time, according to the US BTS.
- On-time departures86.8%of 1,037 flights
- Average delay6.3 min
- July 202661▲ 96.8%vs July 2025
- Cancelled1.5%
- Legs flown under this number16
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 | 53 | ▲ 43.2% |
| February | 28 | 51 | ▲ 82.1% |
| March | 56 | 58 | ▲ 3.6% |
| April | 60 | 56 | ▼ 6.7% |
| May | 52 | 57 | ▲ 9.6% |
| June | 30 | 55 | ▲ 83.3% |
| July | 31 | 61 | ▲ 96.8% |
| August | 31 | – | – |
| September | 35 | – | – |
| October | 52 | – | in progress |
| November | 29 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 294 | 391 | ▲ 33.0% |
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 | 77.8% | 94.1% | ▲ 21.0% |
| February | 100.0% | 90.2% | ▼ 9.8% |
| March | 82.1% | 87.3% | ▲ 6.2% |
| April | 86.2% | 83.0% | ▼ 3.7% |
| May | 80.8% | 93.0% | ▲ 15.1% |
| June | 80.0% | 83.6% | ▲ 4.6% |
| July | 93.6% | 89.7% | ▼ 4.2% |
| August | 90.3% | – | – |
| September | 88.6% | – | – |
| October | 88.5% | – | in progress |
| November | 89.3% | – | – |
| December | 71.7% | – | – |
| Year-to-date average (Jan–Jul) | 85.8% | 88.7% | ▲ 3.4% |
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 | 3 | – |
| April | 2 | 3 | ▲ 50.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 11 | ▲ 266.7% |
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 98.5% 1,021
- Cancelled 1.5% 16
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 |
|---|---|---|---|---|
| CMH ORD John Glenn Columbus International Airport – Chicago O'Hare International Airport | 475 | 7.3 min | 88.2% | 249 |
| MSP ORD Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago O'Hare International Airport | 537 | 2.1 min | 93.7% | 196 |
| ORD DCA Chicago O'Hare International Airport – Ronald Reagan Washington National Airport | 983 | 8.3 min | 82.9% | 176 |
| ORD COS Chicago O'Hare International Airport – City of Colorado Springs Municipal Airport | 1,463 | 5.4 min | 88.1% | 126 |
| ORD JAC Chicago O'Hare International Airport – Jackson Hole Airport | 1,866 | 4.6 min | 84.7% | 72 |
| ORD DFW Chicago O'Hare International Airport – Dallas Fort Worth International Airport | 1,291 | 13.8 min | 75.0% | 53 |
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 0.2 min | 94.4% | 37 |
| ORD LAS Chicago O'Hare International Airport – Harry Reid International Airport | 2,432 | 2.7 min | 88.9% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 37 | 37 | 94.6% | 0 |
| November 2024 | 59 | 59 | 89.8% | 0 |
| December 2024 | 62 | 62 | 82.3% | 0 |
| January 2025 | 37 | 36 | 77.8% | 1 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 56 | 56 | 82.1% | 0 |
| April 2025 | 60 | 58 | 86.2% | 2 |
| May 2025 | 52 | 52 | 80.8% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 35 | 35 | 88.6% | 0 |
| October 2025 | 52 | 52 | 88.5% | 0 |
| November 2025 | 29 | 28 | 89.3% | 1 |
| December 2025 | 47 | 46 | 71.7% | 1 |
| January 2026 | 53 | 51 | 94.1% | 2 |
| February 2026 | 51 | 51 | 90.2% | 0 |
| March 2026 | 58 | 55 | 87.3% | 3 |
| April 2026 | 56 | 53 | 83.0% | 3 |
| May 2026 | 57 | 57 | 93.0% | 0 |
| June 2026 | 55 | 55 | 83.6% | 0 |
| July 2026 | 61 | 58 | 89.7% | 3 |