YX4778
YX4778 (Republic Airways) is a multi-stop service on 18 routes, busiest Washington to Providence. Of 403 departures recorded from November 2024 to July 2026, 78.2% left on time, according to the US BTS.
- On-time departures78.2%of 403 flights
- Average delay14.5 min
- July 20263▼ 62.5%vs July 2025
- Cancelled5.5%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 24 | – |
| February | – | 26 | – |
| March | – | 30 | – |
| April | 23 | 27 | ▲ 17.4% |
| May | 55 | 35 | ▼ 36.4% |
| June | 14 | 52 | ▲ 271.4% |
| July | 8 | 3 | ▼ 62.5% |
| August | 31 | – | – |
| September | 2 | – | – |
| October | 18 | – | in progress |
| November | 31 | – | – |
| December | 21 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 90.5% | – |
| February | – | 88.0% | – |
| March | – | 82.8% | – |
| April | 78.3% | 69.2% | ▼ 11.5% |
| May | 94.6% | 58.8% | ▼ 37.8% |
| June | 69.2% | 82.2% | ▲ 18.8% |
| July | 42.9% | 66.7% | ▲ 55.6% |
| August | 77.4% | – | – |
| September | 100.0% | – | – |
| October | 80.0% | – | in progress |
| November | 73.3% | – | – |
| December | 57.9% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 3 | – |
| February | – | 1 | – |
| March | – | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 1 | 7 | ▲ 600.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 3 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
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 94.5% 381
- Cancelled 5.5% 22
Share of all recorded flights in the period, all legs. · Nov 23, 2024 → Jul 2, 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 PVD Ronald Reagan Washington National Airport – Rhode Island T. F. Green International Airport | 573 | 11.9 min | 76.8% | 60 |
| LGA DCA LaGuardia Airport – Ronald Reagan Washington National Airport | 345 | 23.8 min | 69.4% | 38 |
| PVD DCA Rhode Island T. F. Green International Airport – Ronald Reagan Washington National Airport | 573 | 12.6 min | 78.8% | 36 |
| ORD DCA Chicago O'Hare International Airport – Ronald Reagan Washington National Airport | 983 | 12.5 min | 66.7% | 35 |
| DSM ORD Des Moines International Airport – Chicago O'Hare International Airport | 480 | 17.7 min | 79.4% | 35 |
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | -0.5 min | 89.7% | 32 |
| ORD MCI Chicago O'Hare International Airport – Kansas City International Airport | 647 | -0.8 min | 96.7% | 30 |
| MCI ORD Kansas City International Airport – Chicago O'Hare International Airport | 647 | -3.3 min | 96.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 2 | 2 | 100.0% | 0 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| April 2025 | 23 | 23 | 78.3% | 0 |
| May 2025 | 55 | 55 | 94.6% | 0 |
| June 2025 | 14 | 13 | 69.2% | 1 |
| July 2025 | 8 | 7 | 42.9% | 1 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 18 | 15 | 80.0% | 3 |
| November 2025 | 31 | 30 | 73.3% | 1 |
| December 2025 | 21 | 19 | 57.9% | 2 |
| January 2026 | 24 | 21 | 90.5% | 3 |
| February 2026 | 26 | 25 | 88.0% | 1 |
| March 2026 | 30 | 29 | 82.8% | 1 |
| April 2026 | 27 | 26 | 69.2% | 1 |
| May 2026 | 35 | 34 | 58.8% | 1 |
| June 2026 | 52 | 45 | 82.2% | 7 |
| July 2026 | 3 | 3 | 66.7% | 0 |