YX4781
YX4781 (Republic Airways) is a multi-stop service on 4 routes, busiest Washington to New York. Of 641 departures recorded from October 2024 to July 2026, 72.1% left on time, according to the US BTS.
- On-time departures72.1%of 641 flights
- Average delay22.0 min
- July 202630▼ 3.2%vs July 2025
- Cancelled5.5%
- Legs flown under this number4
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 | 27 | 26 | ▼ 3.7% |
| February | 26 | 28 | ▲ 7.7% |
| March | 4 | 31 | ▲ 675.0% |
| April | 27 | 53 | ▲ 96.3% |
| May | 31 | 51 | ▲ 64.5% |
| June | 30 | 30 | 0.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jul) | 176 | 249 | ▲ 41.5% |
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 | 88.5% | 62.5% | ▼ 29.3% |
| February | 87.0% | 64.3% | ▼ 26.1% |
| March | 100.0% | 57.1% | ▼ 42.9% |
| April | 70.4% | 86.8% | ▲ 23.3% |
| May | 48.3% | 77.6% | ▲ 60.6% |
| June | 72.0% | 65.5% | ▼ 9.0% |
| July | 63.0% | 53.9% | ▼ 14.5% |
| August | 76.7% | – | – |
| September | 69.0% | – | – |
| October | 75.9% | – | in progress |
| November | 59.3% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 75.6% | 66.8% | ▼ 11.6% |
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 | 3 | 0 | ▼ 100.0% |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 2 | 2 | 0.0% |
| June | 5 | 1 | ▼ 80.0% |
| July | 4 | 4 | 0.0% |
| August | 1 | – | – |
| September | 1 | – | – |
| October | 2 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 15 | 12 | ▼ 20.0% |
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 94.5% 606
- Cancelled 5.5% 35
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA JFK Ronald Reagan Washington National Airport – John F. Kennedy International Airport | 342 | 24.2 min | 70.8% | 526 |
| ORD BWI Chicago O'Hare International Airport – Baltimore/Washington International Thurgood Marshall Airport | 998 | 24.6 min | 64.0% | 53 |
| JFK DCA John F. Kennedy International Airport – Ronald Reagan Washington National Airport | 342 | 5.6 min | 86.1% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 23 | 23 | 69.6% | 0 |
| January 2025 | 27 | 26 | 88.5% | 1 |
| February 2025 | 26 | 23 | 87.0% | 3 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 27 | 27 | 70.4% | 0 |
| May 2025 | 31 | 29 | 48.3% | 2 |
| June 2025 | 30 | 25 | 72.0% | 5 |
| July 2025 | 31 | 27 | 63.0% | 4 |
| August 2025 | 31 | 30 | 76.7% | 1 |
| September 2025 | 30 | 29 | 69.0% | 1 |
| October 2025 | 31 | 29 | 75.9% | 2 |
| November 2025 | 29 | 27 | 59.3% | 2 |
| December 2025 | 23 | 21 | 71.4% | 2 |
| January 2026 | 26 | 24 | 62.5% | 2 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 31 | 28 | 57.1% | 3 |
| April 2026 | 53 | 53 | 86.8% | 0 |
| May 2026 | 51 | 49 | 77.6% | 2 |
| June 2026 | 30 | 29 | 65.5% | 1 |
| July 2026 | 30 | 26 | 53.9% | 4 |