YX4423
YX4423 (Republic Airways) is a multi-stop service on 14 routes, busiest New York to Wilmington. Of 972 departures recorded from October 2024 to July 2026, 76.7% left on time, according to the US BTS.
- On-time departures76.7%of 972 flights
- Average delay13.0 min
- July 202658▲ 728.6%vs July 2025
- Cancelled7.1%
- Legs flown under this number14
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 | 55 | 56 | ▲ 1.8% |
| February | 50 | 52 | ▲ 4.0% |
| March | 54 | 58 | ▲ 7.4% |
| April | 30 | 59 | ▲ 96.7% |
| May | 27 | 59 | ▲ 118.5% |
| June | 30 | 51 | ▲ 70.0% |
| July | 7 | 58 | ▲ 728.6% |
| August | 2 | – | – |
| September | 38 | – | – |
| October | 55 | – | in progress |
| November | 55 | – | – |
| December | 52 | – | – |
| Year to date (Jan–Jul) | 253 | 393 | ▲ 55.3% |
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 | 76.0% | 88.2% | ▲ 16.1% |
| February | 89.4% | 76.1% | ▼ 14.9% |
| March | 79.6% | 63.8% | ▼ 19.8% |
| April | 86.7% | 81.8% | ▼ 5.6% |
| May | 75.0% | 74.1% | ▼ 1.1% |
| June | 70.4% | 76.6% | ▲ 8.9% |
| July | 66.7% | 60.8% | ▼ 8.8% |
| August | 100.0% | – | – |
| September | 92.1% | – | – |
| October | 67.4% | – | in progress |
| November | 68.0% | – | – |
| December | 48.9% | – | – |
| Year-to-date average (Jan–Jul) | 77.7% | 74.5% | ▼ 4.1% |
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 | 5 | 5 | 0.0% |
| February | 3 | 6 | ▲ 100.0% |
| March | 0 | 11 | – |
| April | 0 | 4 | – |
| May | 3 | 1 | ▼ 66.7% |
| June | 3 | 4 | ▲ 33.3% |
| July | 1 | 7 | ▲ 600.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 6 | – | in progress |
| November | 5 | – | – |
| December | 5 | – | – |
| Year to date (Jan–Jul) | 15 | 38 | ▲ 153.3% |
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 92.9% 903
- Cancelled 7.1% 69
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 |
|---|---|---|---|---|
| LGA ILM LaGuardia Airport – Wilmington International Airport | 806 | 8.6 min | 80.7% | 317 |
| ILM LGA Wilmington International Airport – LaGuardia Airport | 806 | 17.9 min | 70.0% | 273 |
| ORD BUF Chicago O'Hare International Airport – Buffalo Niagara International Airport | 760 | 0.9 min | 87.8% | 75 |
| LGA GSP LaGuardia Airport – Greenville-Spartanburg International Airport | 982 | 14.5 min | 80.7% | 66 |
| GSP LGA Greenville-Spartanburg International Airport – LaGuardia Airport | 982 | 39.9 min | 54.6% | 62 |
| BUF ORD Buffalo Niagara International Airport – Chicago O'Hare International Airport | 760 | 16.1 min | 69.1% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 51 | 51 | 88.2% | 0 |
| December 2024 | 53 | 53 | 86.8% | 0 |
| January 2025 | 55 | 50 | 76.0% | 5 |
| February 2025 | 50 | 47 | 89.4% | 3 |
| March 2025 | 54 | 54 | 79.6% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 27 | 24 | 75.0% | 3 |
| June 2025 | 30 | 27 | 70.4% | 3 |
| July 2025 | 7 | 6 | 66.7% | 1 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| September 2025 | 38 | 38 | 92.1% | 0 |
| October 2025 | 55 | 49 | 67.4% | 6 |
| November 2025 | 55 | 50 | 68.0% | 5 |
| December 2025 | 52 | 47 | 48.9% | 5 |
| January 2026 | 56 | 51 | 88.2% | 5 |
| February 2026 | 52 | 46 | 76.1% | 6 |
| March 2026 | 58 | 47 | 63.8% | 11 |
| April 2026 | 59 | 55 | 81.8% | 4 |
| May 2026 | 59 | 58 | 74.1% | 1 |
| June 2026 | 51 | 47 | 76.6% | 4 |
| July 2026 | 58 | 51 | 60.8% | 7 |