YX4664
YX4664 (Republic Airways) is a multi-stop service on 11 routes, busiest Washington to New York. Of 583 departures recorded from November 2024 to July 2026, 88.2% left on time, according to the US BTS.
- On-time departures88.2%of 583 flights
- Average delay5.3 min
- July 202625▲ 8.7%vs July 2025
- Cancelled2.4%
- Legs flown under this number11
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 | 19 | ▼ 29.6% |
| February | 24 | 22 | ▼ 8.3% |
| March | 23 | 30 | ▲ 30.4% |
| April | 30 | 33 | ▲ 10.0% |
| May | 24 | 32 | ▲ 33.3% |
| June | 21 | 26 | ▲ 23.8% |
| July | 23 | 25 | ▲ 8.7% |
| August | 47 | – | – |
| September | 28 | – | – |
| October | 56 | – | in progress |
| November | 27 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 172 | 187 | ▲ 8.7% |
according to the US BTS · November 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 | 96.0% | 94.4% | ▼ 1.6% |
| February | 91.3% | 84.2% | ▼ 7.8% |
| March | 87.0% | 93.1% | ▲ 7.1% |
| April | 93.3% | 75.8% | ▼ 18.8% |
| May | 91.7% | 96.6% | ▲ 5.3% |
| June | 85.7% | 100.0% | ▲ 16.7% |
| July | 81.8% | 91.7% | ▲ 12.0% |
| August | 87.2% | – | – |
| September | 78.6% | – | – |
| October | 92.7% | – | in progress |
| November | 88.9% | – | – |
| December | 57.9% | – | – |
| Year-to-date average (Jan–Jul) | 89.5% | 90.8% | ▲ 1.4% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 1 | ▼ 50.0% |
| February | 1 | 3 | ▲ 200.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 3 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 9 | ▲ 125.0% |
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 97.6% 569
- Cancelled 2.4% 14
Share of all recorded flights in the period, all legs. · Nov 5, 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 LGA Ronald Reagan Washington National Airport – LaGuardia Airport | 345 | 3.6 min | 87.4% | 366 |
| DCA IND Ronald Reagan Washington National Airport – Indianapolis International Airport | 802 | -3.0 min | 96.6% | 60 |
| RIC LGA Richmond International Airport – LaGuardia Airport | 470 | 5.4 min | 88.9% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 20 | 20 | 90.0% | 0 |
| December 2024 | 27 | 27 | 85.2% | 0 |
| January 2025 | 27 | 25 | 96.0% | 2 |
| February 2025 | 24 | 23 | 91.3% | 1 |
| March 2025 | 23 | 23 | 87.0% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 24 | 24 | 91.7% | 0 |
| June 2025 | 21 | 21 | 85.7% | 0 |
| July 2025 | 23 | 22 | 81.8% | 1 |
| August 2025 | 47 | 47 | 87.2% | 0 |
| September 2025 | 28 | 28 | 78.6% | 0 |
| October 2025 | 56 | 55 | 92.7% | 1 |
| November 2025 | 27 | 27 | 88.9% | 0 |
| December 2025 | 19 | 19 | 57.9% | 0 |
| January 2026 | 19 | 18 | 94.4% | 1 |
| February 2026 | 22 | 19 | 84.2% | 3 |
| March 2026 | 30 | 29 | 93.1% | 1 |
| April 2026 | 33 | 33 | 75.8% | 0 |
| May 2026 | 32 | 29 | 96.6% | 3 |
| June 2026 | 26 | 26 | 100.0% | 0 |
| July 2026 | 25 | 24 | 91.7% | 1 |