YX4634
YX4634 (Republic Airways) is a multi-stop service on 19 routes, busiest Washington to New York. Of 548 departures recorded from October 2024 to July 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 548 flights
- Average delay6.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled4.0%
- Legs flown under this number19
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 | 6 | 12 | ▲ 100.0% |
| February | 2 | 23 | ▲ 1,050.0% |
| March | 46 | 32 | ▼ 30.4% |
| April | 41 | 30 | ▼ 26.8% |
| May | 7 | 31 | ▲ 342.9% |
| June | 27 | 30 | ▲ 11.1% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 160 | 189 | ▲ 18.1% |
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 | 80.0% | 75.0% | ▼ 6.3% |
| February | 100.0% | 90.9% | ▼ 9.1% |
| March | 73.3% | 76.7% | ▲ 4.6% |
| April | 87.8% | 82.1% | ▼ 6.4% |
| May | 100.0% | 83.3% | ▼ 16.7% |
| June | 88.5% | 71.4% | ▼ 19.3% |
| July | 86.7% | 80.0% | ▼ 7.7% |
| August | 90.3% | – | – |
| September | 96.2% | – | – |
| October | 96.3% | – | in progress |
| November | 70.4% | – | – |
| December | 53.9% | – | – |
| Year-to-date average (Jan–Jul) | 88.0% | 79.9% | ▼ 9.2% |
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 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 2 | – |
| May | 0 | 1 | – |
| June | 1 | 2 | ▲ 100.0% |
| July | 1 | 6 | ▲ 500.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 4 | 14 | ▲ 250.0% |
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 96.0% 526
- Cancelled 4.0% 22
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA LGA Ronald Reagan Washington National Airport – LaGuardia Airport | 345 | 0.5 min | 90.5% | 118 |
| JFK BOS John F. Kennedy International Airport – Boston Logan International Airport | 300 | 15.6 min | 79.7% | 72 |
| JFK BNA John F. Kennedy International Airport – Nashville International Airport | 1,230 | 15.9 min | 66.7% | 45 |
| ORD SYR Chicago O'Hare International Airport – Syracuse Hancock International Airport | 974 | 12.1 min | 80.5% | 44 |
| PHL LGA Philadelphia International Airport – LaGuardia Airport | 154 | -4.8 min | 100.0% | 33 |
| LGA ATL LaGuardia Airport – Hartsfield Jackson Atlanta International Airport | 1,225 | 12.6 min | 75.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 10 | 10 | 100.0% | 0 |
| January 2025 | 6 | 5 | 80.0% | 1 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 46 | 45 | 73.3% | 1 |
| April 2025 | 41 | 41 | 87.8% | 0 |
| May 2025 | 7 | 7 | 100.0% | 0 |
| June 2025 | 27 | 26 | 88.5% | 1 |
| July 2025 | 31 | 30 | 86.7% | 1 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 27 | 27 | 96.3% | 0 |
| November 2025 | 29 | 27 | 70.4% | 2 |
| December 2025 | 28 | 26 | 53.9% | 2 |
| January 2026 | 12 | 12 | 75.0% | 0 |
| February 2026 | 23 | 22 | 90.9% | 1 |
| March 2026 | 32 | 30 | 76.7% | 2 |
| April 2026 | 30 | 28 | 82.1% | 2 |
| May 2026 | 31 | 30 | 83.3% | 1 |
| June 2026 | 30 | 28 | 71.4% | 2 |
| July 2026 | 31 | 25 | 80.0% | 6 |