YX4622
YX4622 (Republic Airways) is a multi-stop service on 6 routes, busiest Louisville to Chicago. Of 568 departures recorded from October 2024 to July 2026, 91.1% left on time, according to the US BTS.
- On-time departures91.1%of 568 flights
- Average delay2.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.6%
- Legs flown under this number6
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 | 31 | 30 | ▼ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 12 | ▼ 60.0% |
| May | 4 | 17 | ▲ 325.0% |
| June | 26 | 30 | ▲ 15.4% |
| July | 31 | 31 | 0.0% |
| August | 27 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 181 | 179 | ▼ 1.1% |
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 | 90.0% | 86.7% | ▼ 3.7% |
| February | 96.4% | 85.7% | ▼ 11.1% |
| March | 96.8% | 87.1% | ▼ 10.0% |
| April | 96.7% | 63.6% | ▼ 34.2% |
| May | 100.0% | 88.2% | ▼ 11.8% |
| June | 96.2% | 93.3% | ▼ 2.9% |
| July | 96.6% | 93.6% | ▼ 3.1% |
| August | 80.8% | – | – |
| September | 96.6% | – | – |
| October | 87.1% | – | in progress |
| November | 88.9% | – | – |
| December | 96.6% | – | – |
| Year-to-date average (Jan–Jul) | 96.1% | 85.5% | ▼ 11.1% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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 98.4% 559
- Cancelled 1.6% 9
Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SDF ORD Louisville Muhammad Ali International Airport – Chicago O'Hare International Airport | 462 | 2.4 min | 91.9% | 527 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 100.0% | 0 |
| November 2024 | 26 | 26 | 88.5% | 0 |
| December 2024 | 29 | 29 | 89.7% | 0 |
| January 2025 | 31 | 30 | 90.0% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 4 | 4 | 100.0% | 0 |
| June 2025 | 26 | 26 | 96.2% | 0 |
| July 2025 | 31 | 29 | 96.6% | 2 |
| August 2025 | 27 | 26 | 80.8% | 1 |
| September 2025 | 29 | 29 | 96.6% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 29 | 27 | 88.9% | 2 |
| December 2025 | 31 | 29 | 96.6% | 2 |
| January 2026 | 30 | 30 | 86.7% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 12 | 11 | 63.6% | 1 |
| May 2026 | 17 | 17 | 88.2% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |