YX4499
YX4499 (Republic Airways) is a multi-stop service on 16 routes, busiest Raleigh to New York. Of 621 departures recorded from October 2024 to May 2026, 86.4% left on time, according to the US BTS.
- On-time departures86.4%of 621 flights
- Average delay5.3 min
- May 202617▲ 1,600.0%vs May 2025
- Cancelled3.2%
- Legs flown under this number16
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 46 | 43 | ▼ 6.5% |
| February | 50 | 47 | ▼ 6.0% |
| March | 57 | 33 | ▼ 42.1% |
| April | 7 | 26 | ▲ 271.4% |
| May | 1 | 17 | ▲ 1,600.0% |
| June | – | – | – |
| July | – | – | – |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 50 | – | in progress |
| November | 41 | – | – |
| December | 22 | – | – |
| Year to date (Jan–May) | 161 | 166 | ▲ 3.1% |
according to the US BTS · October 2024 → May 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 87.0% | 80.0% | ▼ 8.0% |
| February | 91.1% | 86.1% | ▼ 5.6% |
| March | 86.0% | 71.9% | ▼ 16.4% |
| April | 71.4% | 76.9% | ▲ 7.7% |
| May | 100.0% | 80.0% | ▼ 20.0% |
| June | – | – | – |
| July | – | – | – |
| August | 96.0% | – | – |
| September | 84.6% | – | – |
| October | 84.0% | – | in progress |
| November | 87.2% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–May) | 87.1% | 79.0% | ▼ 9.3% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 5 | 4 | ▼ 20.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | – | – | – |
| July | – | – | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–May) | 5 | 10 | ▲ 100.0% |
according to the US BTS · October 2024 → May 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 96.8% 601
- Cancelled 3.2% 20
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → May 20, 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 |
|---|---|---|---|---|
| RDU LGA Raleigh-Durham International Airport – LaGuardia Airport | 693 | 8.5 min | 84.2% | 162 |
| LGA RDU LaGuardia Airport – Raleigh-Durham International Airport | 693 | -1.8 min | 92.1% | 117 |
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 9.6 min | 79.8% | 111 |
| LGA BOS LaGuardia Airport – Boston Logan International Airport | 296 | 5.7 min | 83.9% | 66 |
| HSV DCA Huntsville International Airport – Ronald Reagan Washington National Airport | 985 | 1.6 min | 90.7% | 43 |
| DCA HSV Ronald Reagan Washington National Airport – Huntsville International Airport | 985 | -1.3 min | 90.7% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 34 | 34 | 97.1% | 0 |
| November 2024 | 56 | 56 | 92.9% | 0 |
| December 2024 | 39 | 39 | 92.3% | 0 |
| January 2025 | 46 | 46 | 87.0% | 0 |
| February 2025 | 50 | 45 | 91.1% | 5 |
| March 2025 | 57 | 57 | 86.0% | 0 |
| April 2025 | 7 | 7 | 71.4% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 26 | 25 | 96.0% | 1 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 50 | 50 | 84.0% | 0 |
| November 2025 | 41 | 39 | 87.2% | 2 |
| December 2025 | 22 | 20 | 80.0% | 2 |
| January 2026 | 43 | 40 | 80.0% | 3 |
| February 2026 | 47 | 43 | 86.1% | 4 |
| March 2026 | 33 | 32 | 71.9% | 1 |
| April 2026 | 26 | 26 | 76.9% | 0 |
| May 2026 | 17 | 15 | 80.0% | 2 |