YX4393
YX4393 (Republic Airways) is a multi-stop service on 23 routes, busiest New York to Washington. Of 622 departures recorded from October 2024 to July 2026, 87.9% left on time, according to the US BTS.
- On-time departures87.9%of 622 flights
- Average delay3.4 min
- July 202652▲ 92.6%vs July 2025
- Cancelled4.2%
- Legs flown under this number23
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 | 28 | 31 | ▲ 10.7% |
| February | 12 | 28 | ▲ 133.3% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 27 | 34 | ▲ 25.9% |
| June | 26 | 48 | ▲ 84.6% |
| July | 27 | 52 | ▲ 92.6% |
| August | 30 | – | – |
| September | 22 | – | – |
| October | 26 | – | in progress |
| November | 28 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 181 | 254 | ▲ 40.3% |
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 | 88.9% | 86.2% | ▼ 3.0% |
| February | 100.0% | 92.0% | ▼ 8.0% |
| March | 70.0% | 83.9% | ▲ 19.8% |
| April | 90.0% | 73.3% | ▼ 18.5% |
| May | 92.0% | 85.3% | ▼ 7.3% |
| June | 84.0% | 95.8% | ▲ 14.1% |
| July | 81.8% | 87.2% | ▲ 6.6% |
| August | 96.6% | – | – |
| September | 95.5% | – | – |
| October | 88.5% | – | in progress |
| November | 91.7% | – | – |
| December | 93.1% | – | – |
| Year-to-date average (Jan–Jul) | 86.7% | 86.3% | ▼ 0.5% |
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 | 2 | ▲ 100.0% |
| February | 0 | 3 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 5 | 5 | 0.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 1 | – | – |
| 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 95.8% 596
- Cancelled 4.2% 26
Share of all recorded flights in the period, all legs. · Oct 15, 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 |
|---|---|---|---|---|
| LGA DCA LaGuardia Airport – Ronald Reagan Washington National Airport | 345 | -0.3 min | 91.4% | 171 |
| DCA LGA Ronald Reagan Washington National Airport – LaGuardia Airport | 345 | 2.4 min | 89.0% | 151 |
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 1.2 min | 89.6% | 105 |
| BNA PHL Nashville International Airport – Philadelphia International Airport | 1,084 | -1.9 min | 96.8% | 32 |
| DCA BOS Ronald Reagan Washington National Airport – Boston Logan International Airport | 641 | 12.7 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 91.7% | 0 |
| November 2024 | 21 | 21 | 81.0% | 0 |
| December 2024 | 18 | 18 | 94.4% | 0 |
| January 2025 | 28 | 27 | 88.9% | 1 |
| February 2025 | 12 | 12 | 100.0% | 0 |
| March 2025 | 31 | 30 | 70.0% | 1 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 27 | 25 | 92.0% | 2 |
| June 2025 | 26 | 25 | 84.0% | 1 |
| July 2025 | 27 | 22 | 81.8% | 5 |
| August 2025 | 30 | 29 | 96.6% | 1 |
| September 2025 | 22 | 22 | 95.5% | 0 |
| October 2025 | 26 | 26 | 88.5% | 0 |
| November 2025 | 28 | 24 | 91.7% | 4 |
| December 2025 | 30 | 29 | 93.1% | 1 |
| January 2026 | 31 | 29 | 86.2% | 2 |
| February 2026 | 28 | 25 | 92.0% | 3 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 34 | 34 | 85.3% | 0 |
| June 2026 | 48 | 48 | 95.8% | 0 |
| July 2026 | 52 | 47 | 87.2% | 5 |