YX4777
YX4777 (Republic Airways) is a multi-stop service on 23 routes, busiest Washington to Rochester. Of 365 departures recorded from November 2024 to July 2026, 86.0% left on time, according to the US BTS.
- On-time departures86.0%of 365 flights
- Average delay9.0 min
- July 20264▼ 91.1%vs July 2025
- Cancelled2.5%
- Legs flown under this number23
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 | 5 | 24 | ▲ 380.0% |
| February | 4 | 19 | ▲ 375.0% |
| March | 4 | 12 | ▲ 200.0% |
| April | – | 45 | – |
| May | 44 | 37 | ▼ 15.9% |
| June | 42 | – | – |
| July | 45 | 4 | ▼ 91.1% |
| August | 28 | – | – |
| September | 6 | – | – |
| October | 13 | – | in progress |
| November | 15 | – | – |
| December | 12 | – | – |
according to the US BTS · November 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 | 60.0% | 85.7% | ▲ 42.8% |
| February | 25.0% | 84.2% | ▲ 236.8% |
| March | 75.0% | 33.3% | ▼ 55.6% |
| April | – | 95.6% | – |
| May | 88.4% | 97.2% | ▲ 10.0% |
| June | 97.6% | – | – |
| July | 90.2% | 75.0% | ▼ 16.9% |
| August | 92.9% | – | – |
| September | 66.7% | – | – |
| October | 76.9% | – | in progress |
| November | 86.7% | – | – |
| December | 50.0% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 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 | 0 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 1 | 1 | 0.0% |
| June | 0 | – | – |
| July | 4 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 97.5% 356
- Cancelled 2.5% 9
Share of all recorded flights in the period, all legs. · Nov 8, 2024 → Jul 17, 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 |
|---|---|---|---|---|
| DCA ROC Ronald Reagan Washington National Airport – Frederick Douglass Greater Rochester International Airport | 477 | 14.9 min | 71.9% | 60 |
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | -0.1 min | 90.7% | 44 |
| LGA BOS LaGuardia Airport – Boston Logan International Airport | 296 | -4.9 min | 97.5% | 43 |
| PHL CVG Philadelphia International Airport – Cincinnati Northern Kentucky International Airport | 814 | -0.1 min | 97.4% | 38 |
| CVG PHL Cincinnati Northern Kentucky International Airport – Philadelphia International Airport | 814 | -4.3 min | 94.6% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 3 | 3 | 100.0% | 0 |
| December 2024 | 3 | 3 | 66.7% | 0 |
| January 2025 | 5 | 5 | 60.0% | 0 |
| February 2025 | 4 | 4 | 25.0% | 0 |
| March 2025 | 4 | 4 | 75.0% | 0 |
| May 2025 | 44 | 43 | 88.4% | 1 |
| June 2025 | 42 | 42 | 97.6% | 0 |
| July 2025 | 45 | 41 | 90.2% | 4 |
| August 2025 | 28 | 28 | 92.9% | 0 |
| September 2025 | 6 | 6 | 66.7% | 0 |
| October 2025 | 13 | 13 | 76.9% | 0 |
| November 2025 | 15 | 15 | 86.7% | 0 |
| December 2025 | 12 | 12 | 50.0% | 0 |
| January 2026 | 24 | 21 | 85.7% | 3 |
| February 2026 | 19 | 19 | 84.2% | 0 |
| March 2026 | 12 | 12 | 33.3% | 0 |
| April 2026 | 45 | 45 | 95.6% | 0 |
| May 2026 | 37 | 36 | 97.2% | 1 |
| July 2026 | 4 | 4 | 75.0% | 0 |