YX4459
YX4459 (Republic Airways) is a multi-stop service on 13 routes, busiest Raleigh to New York. Of 769 departures recorded from October 2024 to July 2026, 82.9% left on time, according to the US BTS.
- On-time departures82.9%of 769 flights
- Average delay9.3 min
- July 202627▼ 56.5%vs July 2025
- Cancelled4.0%
- Legs flown under this number13
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 | 26 | ▼ 3.7% |
| February | 20 | 36 | ▲ 80.0% |
| March | 28 | 54 | ▲ 92.9% |
| April | 40 | 28 | ▼ 30.0% |
| May | 9 | 26 | ▲ 188.9% |
| June | 52 | 26 | ▼ 50.0% |
| July | 62 | 27 | ▼ 56.5% |
| August | 58 | – | – |
| September | 36 | – | – |
| October | 55 | – | in progress |
| November | 26 | – | – |
| December | 58 | – | – |
| Year to date (Jan–Jul) | 238 | 223 | ▼ 6.3% |
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 | 88.0% | 77.3% | ▼ 12.2% |
| February | 84.2% | 64.5% | ▼ 23.4% |
| March | 89.3% | 83.3% | ▼ 6.7% |
| April | 87.5% | 75.0% | ▼ 14.3% |
| May | 100.0% | 80.0% | ▼ 20.0% |
| June | 80.8% | 60.0% | ▼ 25.7% |
| July | 89.1% | 80.0% | ▼ 10.2% |
| August | 89.7% | – | – |
| September | 86.1% | – | – |
| October | 77.8% | – | in progress |
| November | 84.6% | – | – |
| December | 84.2% | – | – |
| Year-to-date average (Jan–Jul) | 88.4% | 74.3% | ▼ 16.0% |
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 | 2 | 4 | ▲ 100.0% |
| February | 1 | 5 | ▲ 400.0% |
| March | 0 | 6 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 7 | 2 | ▼ 71.4% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 10 | 19 | ▲ 90.0% |
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% 738
- Cancelled 4.0% 31
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU LGA Raleigh-Durham International Airport – LaGuardia Airport | 693 | 12.6 min | 79.6% | 294 |
| LGA RDU LaGuardia Airport – Raleigh-Durham International Airport | 693 | 5.5 min | 88.1% | 220 |
| STL BOS St. Louis Lambert International Airport – Boston Logan International Airport | 1,680 | -2.0 min | 92.0% | 78 |
| MEM DCA Frederick W. Smith International Airport – Ronald Reagan Washington National Airport | 1,224 | 22.7 min | 72.9% | 62 |
| IND LGA Indianapolis International Airport – LaGuardia Airport | 1,060 | 12.2 min | 78.4% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 28 | 28 | 85.7% | 0 |
| December 2024 | 27 | 27 | 100.0% | 0 |
| January 2025 | 27 | 25 | 88.0% | 2 |
| February 2025 | 20 | 19 | 84.2% | 1 |
| March 2025 | 28 | 28 | 89.3% | 0 |
| April 2025 | 40 | 40 | 87.5% | 0 |
| May 2025 | 9 | 9 | 100.0% | 0 |
| June 2025 | 52 | 52 | 80.8% | 0 |
| July 2025 | 62 | 55 | 89.1% | 7 |
| August 2025 | 58 | 58 | 89.7% | 0 |
| September 2025 | 36 | 36 | 86.1% | 0 |
| October 2025 | 55 | 54 | 77.8% | 1 |
| November 2025 | 26 | 26 | 84.6% | 0 |
| December 2025 | 58 | 57 | 84.2% | 1 |
| January 2026 | 26 | 22 | 77.3% | 4 |
| February 2026 | 36 | 31 | 64.5% | 5 |
| March 2026 | 54 | 48 | 83.3% | 6 |
| April 2026 | 28 | 28 | 75.0% | 0 |
| May 2026 | 26 | 25 | 80.0% | 1 |
| June 2026 | 26 | 25 | 60.0% | 1 |
| July 2026 | 27 | 25 | 80.0% | 2 |