YX4396
YX4396 (Republic Airways) is a multi-stop service on 14 routes, busiest New York to Knoxville. Of 696 departures recorded from October 2024 to July 2026, 84.2% left on time, according to the US BTS.
- On-time departures84.2%of 696 flights
- Average delay6.0 min
- July 202623▼ 23.3%vs July 2025
- Cancelled2.7%
- Legs flown under this number14
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 | 35 | 31 | ▼ 11.4% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 54 | ▲ 80.0% |
| May | 27 | 46 | ▲ 70.4% |
| June | 30 | 22 | ▼ 26.7% |
| July | 30 | 23 | ▼ 23.3% |
| August | 35 | – | – |
| September | 46 | – | – |
| October | 32 | – | in progress |
| November | 29 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 211 | 235 | ▲ 11.4% |
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 | 84.9% | 100.0% | ▲ 17.9% |
| February | 59.3% | 96.2% | ▲ 62.3% |
| March | 74.2% | 87.1% | ▲ 17.4% |
| April | 96.7% | 85.2% | ▼ 11.9% |
| May | 80.0% | 84.8% | ▲ 6.0% |
| June | 78.6% | 81.0% | ▲ 3.0% |
| July | 79.3% | 85.7% | ▲ 8.1% |
| August | 74.3% | – | – |
| September | 82.2% | – | – |
| October | 83.9% | – | in progress |
| November | 96.6% | – | – |
| December | 82.8% | – | – |
| Year-to-date average (Jan–Jul) | 79.0% | 88.6% | ▲ 12.1% |
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 | 2 | 3 | ▲ 50.0% |
| February | 1 | 2 | ▲ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 2 | 1 | ▼ 50.0% |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 8 | 8 | 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 97.3% 677
- Cancelled 2.7% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA TYS LaGuardia Airport – McGhee Tyson Airport | 1,041 | 6.1 min | 83.1% | 166 |
| DCA JFK Ronald Reagan Washington National Airport – John F. Kennedy International Airport | 342 | 0.2 min | 91.9% | 154 |
| DCA PHL Ronald Reagan Washington National Airport – Philadelphia International Airport | 192 | 11.5 min | 75.2% | 126 |
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 1.6 min | 85.4% | 51 |
| JFK CLE John F. Kennedy International Airport – Cleveland Hopkins International Airport | 682 | 3.9 min | 86.4% | 44 |
| CLE JFK Cleveland Hopkins International Airport – John F. Kennedy International Airport | 682 | 15.6 min | 81.8% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 28 | 28 | 85.7% | 0 |
| January 2025 | 35 | 33 | 84.9% | 2 |
| February 2025 | 28 | 27 | 59.3% | 1 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 27 | 25 | 80.0% | 2 |
| June 2025 | 30 | 28 | 78.6% | 2 |
| July 2025 | 30 | 29 | 79.3% | 1 |
| August 2025 | 35 | 35 | 74.3% | 0 |
| September 2025 | 46 | 45 | 82.2% | 1 |
| October 2025 | 32 | 31 | 83.9% | 1 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 30 | 29 | 82.8% | 1 |
| January 2026 | 31 | 28 | 100.0% | 3 |
| February 2026 | 28 | 26 | 96.2% | 2 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 54 | 54 | 85.2% | 0 |
| May 2026 | 46 | 46 | 84.8% | 0 |
| June 2026 | 22 | 21 | 81.0% | 1 |
| July 2026 | 23 | 21 | 85.7% | 2 |