YX4786
YX4786 (Republic Airways) is a multi-stop service on 6 routes, busiest Boston to Louisville. Of 796 departures recorded from October 2024 to July 2026, 81.8% left on time, according to the US BTS.
- On-time departures81.8%of 796 flights
- Average delay6.5 min
- July 20265▼ 91.4%vs July 2025
- Cancelled1.5%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 52 | 52 | 0.0% |
| February | 40 | 26 | ▼ 35.0% |
| March | 52 | 5 | ▼ 90.4% |
| April | 52 | 28 | ▼ 46.2% |
| May | 60 | 20 | ▼ 66.7% |
| June | 56 | – | – |
| July | 58 | 5 | ▼ 91.4% |
| August | 13 | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 59 | – | – |
| December | 60 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.0% | 83.0% | ▼ 1.2% |
| February | 67.5% | 92.3% | ▲ 36.8% |
| March | 86.5% | 100.0% | ▲ 15.6% |
| April | 88.5% | 92.6% | ▲ 4.7% |
| May | 75.0% | 95.0% | ▲ 26.7% |
| June | 67.9% | – | – |
| July | 69.0% | 80.0% | ▲ 16.0% |
| August | 53.9% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 89.8% | – | – |
| December | 79.3% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 5 | ▲ 150.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
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 98.5% 784
- Cancelled 1.5% 12
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SDF BOS Louisville Muhammad Ali International Airport – Boston Logan International Airport | 1,332 | 11.8 min | 76.8% | 372 |
| BOS SDF Boston Logan International Airport – Louisville Muhammad Ali International Airport | 1,332 | 2.1 min | 85.3% | 372 |
| DCA BNA Ronald Reagan Washington National Airport – Nashville International Airport | 903 | 0.6 min | 92.7% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 92.5% | 0 |
| November 2024 | 56 | 56 | 89.3% | 0 |
| December 2024 | 56 | 54 | 79.6% | 2 |
| January 2025 | 52 | 50 | 84.0% | 2 |
| February 2025 | 40 | 40 | 67.5% | 0 |
| March 2025 | 52 | 52 | 86.5% | 0 |
| April 2025 | 52 | 52 | 88.5% | 0 |
| May 2025 | 60 | 60 | 75.0% | 0 |
| June 2025 | 56 | 56 | 67.9% | 0 |
| July 2025 | 58 | 58 | 69.0% | 0 |
| August 2025 | 13 | 13 | 53.9% | 0 |
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 59 | 59 | 89.8% | 0 |
| December 2025 | 60 | 58 | 79.3% | 2 |
| January 2026 | 52 | 47 | 83.0% | 5 |
| February 2026 | 26 | 26 | 92.3% | 0 |
| March 2026 | 5 | 5 | 100.0% | 0 |
| April 2026 | 28 | 27 | 92.6% | 1 |
| May 2026 | 20 | 20 | 95.0% | 0 |
| July 2026 | 5 | 5 | 80.0% | 0 |