YX4420
YX4420 (Republic Airways) is a multi-stop service on 25 routes, busiest Washington to New York. Of 764 departures recorded from October 2024 to July 2026, 85.1% left on time, according to the US BTS.
- On-time departures85.1%of 764 flights
- Average delay7.8 min
- July 202646▲ 0.0%vs July 2025
- Cancelled4.5%
- Legs flown under this number25
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 | 37 | 36 | ▼ 2.7% |
| February | 28 | 39 | ▲ 39.3% |
| March | 31 | 54 | ▲ 74.2% |
| April | 30 | 50 | ▲ 66.7% |
| May | 31 | 52 | ▲ 67.7% |
| June | 18 | 52 | ▲ 188.9% |
| July | 46 | 46 | 0.0% |
| August | 9 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 41 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 221 | 329 | ▲ 48.9% |
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 | 87.9% | 94.1% | ▲ 7.1% |
| February | 85.2% | 88.6% | ▲ 4.0% |
| March | 90.0% | 84.6% | ▼ 6.0% |
| April | 83.3% | 84.0% | ▲ 0.8% |
| May | 80.0% | 92.3% | ▲ 15.4% |
| June | 94.4% | 86.0% | ▼ 8.9% |
| July | 56.8% | 79.1% | ▲ 39.3% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 79.0% | – | – |
| December | 76.7% | – | – |
| Year-to-date average (Jan–Jul) | 82.5% | 87.0% | ▲ 5.4% |
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 | 4 | 2 | ▼ 50.0% |
| February | 1 | 4 | ▲ 300.0% |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 2 | – |
| July | 9 | 3 | ▼ 66.7% |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 16 | 13 | ▼ 18.8% |
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% 730
- Cancelled 4.5% 34
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA JFK Ronald Reagan Washington National Airport – John F. Kennedy International Airport | 342 | 6.5 min | 85.0% | 163 |
| ORD SYR Chicago O'Hare International Airport – Syracuse Hancock International Airport | 974 | 13.5 min | 85.5% | 71 |
| SYR ORD Syracuse Hancock International Airport – Chicago O'Hare International Airport | 974 | 24.0 min | 81.8% | 69 |
| ATL DCA Hartsfield Jackson Atlanta International Airport – Ronald Reagan Washington National Airport | 880 | -1.8 min | 92.1% | 38 |
| DCA ATL Ronald Reagan Washington National Airport – Hartsfield Jackson Atlanta International Airport | 880 | 2.6 min | 91.9% | 37 |
| LGA DCA LaGuardia Airport – Ronald Reagan Washington National Airport | 345 | -2.6 min | 97.1% | 36 |
| LGA GSO LaGuardia Airport – Piedmont Triad International Airport | 741 | 2.8 min | 83.9% | 32 |
| GSO LGA Piedmont Triad International Airport – LaGuardia Airport | 741 | 1.9 min | 83.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 55 | 55 | 90.9% | 0 |
| December 2024 | 44 | 44 | 90.9% | 0 |
| January 2025 | 37 | 33 | 87.9% | 4 |
| February 2025 | 28 | 27 | 85.2% | 1 |
| March 2025 | 31 | 30 | 90.0% | 1 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 30 | 80.0% | 1 |
| June 2025 | 18 | 18 | 94.4% | 0 |
| July 2025 | 46 | 37 | 56.8% | 9 |
| August 2025 | 9 | 9 | 100.0% | 0 |
| November 2025 | 41 | 38 | 79.0% | 3 |
| December 2025 | 45 | 43 | 76.7% | 2 |
| January 2026 | 36 | 34 | 94.1% | 2 |
| February 2026 | 39 | 35 | 88.6% | 4 |
| March 2026 | 54 | 52 | 84.6% | 2 |
| April 2026 | 50 | 50 | 84.0% | 0 |
| May 2026 | 52 | 52 | 92.3% | 0 |
| June 2026 | 52 | 50 | 86.0% | 2 |
| July 2026 | 46 | 43 | 79.1% | 3 |