YX4577
YX4577 (Republic Airways) is a multi-stop service on 6 routes, busiest New York to Greensboro. Of 566 departures recorded from November 2024 to July 2026, 74.1% left on time, according to the US BTS.
- On-time departures74.1%of 566 flights
- Average delay16.9 min
- July 202627▼ 10.0%vs July 2025
- Cancelled9.4%
- Legs flown under this number6
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 | 28 | 25 | ▼ 10.7% |
| February | 24 | 24 | 0.0% |
| March | 30 | 27 | ▼ 10.0% |
| April | 30 | 26 | ▼ 13.3% |
| May | 27 | 25 | ▼ 7.4% |
| June | 30 | 30 | 0.0% |
| July | 30 | 27 | ▼ 10.0% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 26 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jul) | 199 | 184 | ▼ 7.5% |
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 | 84.6% | 78.3% | ▼ 7.5% |
| February | 90.9% | 77.3% | ▼ 15.0% |
| March | 75.9% | 52.6% | ▼ 30.6% |
| April | 70.0% | 92.0% | ▲ 31.4% |
| May | 66.7% | 62.5% | ▼ 6.3% |
| June | 72.0% | 74.1% | ▲ 2.9% |
| July | 57.9% | 68.2% | ▲ 17.8% |
| August | 84.0% | – | – |
| September | 92.0% | – | – |
| October | 80.0% | – | in progress |
| November | 56.5% | – | – |
| December | 57.1% | – | – |
| Year-to-date average (Jan–Jul) | 74.0% | 72.1% | ▼ 2.5% |
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 | 2 | 0.0% |
| February | 2 | 2 | 0.0% |
| March | 1 | 8 | ▲ 700.0% |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 5 | 3 | ▼ 40.0% |
| July | 11 | 5 | ▼ 54.5% |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 2 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 21 | 22 | ▲ 4.8% |
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 90.6% 513
- Cancelled 9.4% 53
Share of all recorded flights in the period, all legs. · Nov 4, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA GSO LaGuardia Airport – Piedmont Triad International Airport | 741 | 16.5 min | 74.2% | 556 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 25 | 25 | 88.0% | 0 |
| December 2024 | 29 | 29 | 65.5% | 0 |
| January 2025 | 28 | 26 | 84.6% | 2 |
| February 2025 | 24 | 22 | 90.9% | 2 |
| March 2025 | 30 | 29 | 75.9% | 1 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 27 | 27 | 66.7% | 0 |
| June 2025 | 30 | 25 | 72.0% | 5 |
| July 2025 | 30 | 19 | 57.9% | 11 |
| August 2025 | 27 | 25 | 84.0% | 2 |
| September 2025 | 26 | 25 | 92.0% | 1 |
| October 2025 | 27 | 25 | 80.0% | 2 |
| November 2025 | 26 | 23 | 56.5% | 3 |
| December 2025 | 23 | 21 | 57.1% | 2 |
| January 2026 | 25 | 23 | 78.3% | 2 |
| February 2026 | 24 | 22 | 77.3% | 2 |
| March 2026 | 27 | 19 | 52.6% | 8 |
| April 2026 | 26 | 25 | 92.0% | 1 |
| May 2026 | 25 | 24 | 62.5% | 1 |
| June 2026 | 30 | 27 | 74.1% | 3 |
| July 2026 | 27 | 22 | 68.2% | 5 |