YX4365
YX4365 (Republic Airways) is a multi-stop service on 29 routes, busiest Charleston to Philadelphia. Of 626 departures recorded from October 2024 to July 2026, 82.0% left on time, according to the US BTS.
- On-time departures82.0%of 626 flights
- Average delay10.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.0%
- Legs flown under this number29
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 | 34 | 36 | ▲ 5.9% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 12 | ▼ 60.0% |
| May | 31 | 16 | ▼ 48.4% |
| June | 30 | 27 | ▼ 10.0% |
| July | 31 | 31 | 0.0% |
| August | 23 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 215 | 181 | ▼ 15.8% |
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 | 77.4% | 78.8% | ▲ 1.8% |
| February | 74.1% | 73.1% | ▼ 1.3% |
| March | 83.9% | 80.7% | ▼ 3.8% |
| April | 93.3% | 100.0% | ▲ 7.1% |
| May | 80.0% | 93.8% | ▲ 17.2% |
| June | 70.0% | 92.3% | ▲ 31.9% |
| July | 83.3% | 86.2% | ▲ 3.5% |
| August | 91.3% | – | – |
| September | 86.7% | – | – |
| October | 86.7% | – | in progress |
| November | 61.5% | – | – |
| December | 65.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.3% | 86.4% | ▲ 7.6% |
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 | 3 | 3 | 0.0% |
| February | 1 | 2 | ▲ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 8 | ▲ 33.3% |
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 97.0% 607
- Cancelled 3.0% 19
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| CHS PHL Charleston International Airport – Philadelphia International Airport | 886 | 7.0 min | 77.8% | 75 |
| GSP LGA Greenville-Spartanburg International Airport – LaGuardia Airport | 982 | 10.5 min | 82.7% | 53 |
| OMA PHL Eppley Airfield – Philadelphia International Airport | 1,747 | 10.7 min | 91.9% | 38 |
| LGA RIC LaGuardia Airport – Richmond International Airport | 470 | 14.1 min | 76.5% | 37 |
| HHH DCA Hilton Head Airport – Ronald Reagan Washington National Airport | 808 | 6.8 min | 91.7% | 36 |
| ORD PIT Chicago O'Hare International Airport – Pittsburgh International Airport | 662 | 6.6 min | 90.6% | 32 |
| JFK ORD John F. Kennedy International Airport – Chicago O'Hare International Airport | 1,188 | 14.9 min | 85.7% | 30 |
| JFK BNA John F. Kennedy International Airport – Nashville International Airport | 1,230 | 12.0 min | 80.0% | 30 |
| IND DCA Indianapolis International Airport – Ronald Reagan Washington National Airport | 802 | 50.7 min | 55.6% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 27 | 27 | 92.6% | 0 |
| December 2024 | 37 | 37 | 81.1% | 0 |
| January 2025 | 34 | 31 | 77.4% | 3 |
| February 2025 | 28 | 27 | 74.1% | 1 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 30 | 80.0% | 1 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 31 | 30 | 83.3% | 1 |
| August 2025 | 23 | 23 | 91.3% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 30 | 86.7% | 1 |
| November 2025 | 29 | 26 | 61.5% | 3 |
| December 2025 | 33 | 32 | 65.6% | 1 |
| January 2026 | 36 | 33 | 78.8% | 3 |
| February 2026 | 28 | 26 | 73.1% | 2 |
| March 2026 | 31 | 31 | 80.7% | 0 |
| April 2026 | 12 | 12 | 100.0% | 0 |
| May 2026 | 16 | 16 | 93.8% | 0 |
| June 2026 | 27 | 26 | 92.3% | 1 |
| July 2026 | 31 | 29 | 86.2% | 2 |