YX4466
YX4466 (Republic Airways) is a multi-stop service on 18 routes, busiest Philadelphia to Louisville. Of 535 departures recorded from October 2024 to July 2026, 80.2% left on time, according to the US BTS.
- On-time departures80.2%of 535 flights
- Average delay12.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled4.5%
- Legs flown under this number18
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 | 8 | 1 | ▼ 87.5% |
| February | 18 | 7 | ▼ 61.1% |
| March | 23 | 26 | ▲ 13.0% |
| April | 57 | 30 | ▼ 47.4% |
| May | 35 | 31 | ▼ 11.4% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 5 | – | – |
| December | 7 | – | – |
| Year to date (Jan–Jul) | 202 | 156 | ▼ 22.8% |
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 | 100.0% | 100.0% | 0.0% |
| February | 70.6% | 85.7% | ▲ 21.4% |
| March | 63.6% | 39.1% | ▼ 38.5% |
| April | 87.7% | 85.7% | ▼ 2.3% |
| May | 82.4% | 96.7% | ▲ 17.4% |
| June | 63.0% | 82.1% | ▲ 30.5% |
| July | 75.0% | 65.5% | ▼ 12.6% |
| August | 79.3% | – | – |
| September | 89.7% | – | – |
| October | 83.9% | – | in progress |
| November | 100.0% | – | – |
| December | 85.7% | – | – |
| Year-to-date average (Jan–Jul) | 77.5% | 79.3% | ▲ 2.3% |
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 | 1 | 0 | ▼ 100.0% |
| March | 1 | 3 | ▲ 200.0% |
| April | 0 | 2 | – |
| May | 1 | 1 | 0.0% |
| June | 3 | 2 | ▼ 33.3% |
| July | 3 | 2 | ▼ 33.3% |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 10 | 10 | 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 95.5% 511
- Cancelled 4.5% 24
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 |
|---|---|---|---|---|
| PHL SDF Philadelphia International Airport – Louisville Muhammad Ali International Airport | 926 | 11.0 min | 81.7% | 291 |
| PVD DCA Rhode Island T. F. Green International Airport – Ronald Reagan Washington National Airport | 573 | 7.6 min | 86.3% | 53 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 56.1 min | 48.3% | 34 |
| ORD CLE Chicago O'Hare International Airport – Cleveland Hopkins International Airport | 507 | 2.6 min | 90.3% | 31 |
| CLE ORD Cleveland Hopkins International Airport – Chicago O'Hare International Airport | 507 | 2.7 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 94.4% | 0 |
| November 2024 | 32 | 32 | 84.4% | 0 |
| December 2024 | 23 | 23 | 91.3% | 0 |
| January 2025 | 8 | 7 | 100.0% | 1 |
| February 2025 | 18 | 17 | 70.6% | 1 |
| March 2025 | 23 | 22 | 63.6% | 1 |
| April 2025 | 57 | 57 | 87.7% | 0 |
| May 2025 | 35 | 34 | 82.4% | 1 |
| June 2025 | 30 | 27 | 63.0% | 3 |
| July 2025 | 31 | 28 | 75.0% | 3 |
| August 2025 | 31 | 29 | 79.3% | 2 |
| September 2025 | 30 | 29 | 89.7% | 1 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 5 | 4 | 100.0% | 1 |
| December 2025 | 7 | 7 | 85.7% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| February 2026 | 7 | 7 | 85.7% | 0 |
| March 2026 | 26 | 23 | 39.1% | 3 |
| April 2026 | 30 | 28 | 85.7% | 2 |
| May 2026 | 31 | 30 | 96.7% | 1 |
| June 2026 | 30 | 28 | 82.1% | 2 |
| July 2026 | 31 | 29 | 65.5% | 2 |