YX4638
YX4638 (Republic Airways) is a multi-stop service on 31 routes, busiest Providence to Washington. Of 467 departures recorded from October 2024 to July 2026, 84.9% left on time, according to the US BTS.
- On-time departures84.9%of 467 flights
- Average delay9.6 min
- July 20267▼ 85.7%vs July 2025
- Cancelled2.4%
- Legs flown under this number31
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 7 | 30 | ▲ 328.6% |
| February | 24 | 12 | ▼ 50.0% |
| March | 29 | 34 | ▲ 17.2% |
| April | – | 31 | – |
| May | 23 | 22 | ▼ 4.3% |
| June | 26 | 4 | ▼ 84.6% |
| July | 49 | 7 | ▼ 85.7% |
| August | 34 | – | – |
| September | 28 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 22 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 83.3% | ▼ 16.7% |
| February | 60.9% | 91.7% | ▲ 50.6% |
| March | 82.8% | 91.2% | ▲ 10.2% |
| April | – | 93.6% | – |
| May | 85.7% | 90.5% | ▲ 5.6% |
| June | 92.3% | 100.0% | ▲ 8.3% |
| July | 89.6% | 66.7% | ▼ 25.6% |
| August | 74.2% | – | – |
| September | 82.1% | – | – |
| October | 100.0% | – | in progress |
| November | 82.8% | – | – |
| December | 54.6% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 2 | 1 | ▼ 50.0% |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 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 97.6% 456
- Cancelled 2.4% 11
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PVD DCA Rhode Island T. F. Green International Airport – Ronald Reagan Washington National Airport | 573 | -1.4 min | 91.7% | 37 |
| ROC ORD Frederick Douglass Greater Rochester International Airport – Chicago O'Hare International Airport | 847 | 22.1 min | 88.9% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 5 | 5 | 80.0% | 0 |
| December 2024 | 11 | 11 | 90.9% | 0 |
| January 2025 | 7 | 6 | 100.0% | 1 |
| February 2025 | 24 | 23 | 60.9% | 1 |
| March 2025 | 29 | 29 | 82.8% | 0 |
| May 2025 | 23 | 21 | 85.7% | 2 |
| June 2025 | 26 | 26 | 92.3% | 0 |
| July 2025 | 49 | 48 | 89.6% | 1 |
| August 2025 | 34 | 31 | 74.2% | 3 |
| September 2025 | 28 | 28 | 82.1% | 0 |
| October 2025 | 30 | 30 | 100.0% | 0 |
| November 2025 | 30 | 29 | 82.8% | 1 |
| December 2025 | 22 | 22 | 54.6% | 0 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 12 | 12 | 91.7% | 0 |
| March 2026 | 34 | 34 | 91.2% | 0 |
| April 2026 | 31 | 31 | 93.6% | 0 |
| May 2026 | 22 | 21 | 90.5% | 1 |
| June 2026 | 4 | 4 | 100.0% | 0 |
| July 2026 | 7 | 6 | 66.7% | 1 |