YX4578
YX4578 (Republic Airways) is a multi-stop service on 3 routes, busiest Greensboro to New York. Of 548 departures recorded from October 2024 to July 2026, 92.5% left on time, according to the US BTS.
- On-time departures92.5%of 548 flights
- Average delay4.6 min
- July 202631▲ 34.8%vs July 2025
- Cancelled5.1%
- Legs flown under this number3
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 | 23 | 29 | ▲ 26.1% |
| February | 22 | 26 | ▲ 18.2% |
| March | 26 | 26 | 0.0% |
| April | 22 | 29 | ▲ 31.8% |
| May | 22 | 31 | ▲ 40.9% |
| June | 21 | 30 | ▲ 42.9% |
| July | 23 | 31 | ▲ 34.8% |
| August | 25 | – | – |
| September | 22 | – | – |
| October | 26 | – | in progress |
| November | 26 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 159 | 202 | ▲ 27.0% |
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 | 91.3% | 84.6% | ▼ 7.3% |
| February | 95.0% | 100.0% | ▲ 5.3% |
| March | 88.5% | 95.0% | ▲ 7.4% |
| April | 100.0% | 93.1% | ▼ 6.9% |
| May | 95.5% | 96.8% | ▲ 1.4% |
| June | 90.0% | 93.1% | ▲ 3.4% |
| July | 80.0% | 92.6% | ▲ 15.7% |
| August | 87.0% | – | – |
| September | 100.0% | – | – |
| October | 76.9% | – | in progress |
| November | 95.8% | – | – |
| December | 88.0% | – | – |
| Year-to-date average (Jan–Jul) | 91.5% | 93.6% | ▲ 2.3% |
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 | 0 | 3 | – |
| February | 2 | 3 | ▲ 50.0% |
| March | 0 | 6 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 3 | 4 | ▲ 33.3% |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 17 | ▲ 183.3% |
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 94.9% 520
- Cancelled 5.1% 28
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| GSO LGA Piedmont Triad International Airport – LaGuardia Airport | 741 | 3.9 min | 92.4% | 528 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 100.0% | 0 |
| November 2024 | 24 | 24 | 95.8% | 0 |
| December 2024 | 23 | 23 | 100.0% | 0 |
| January 2025 | 23 | 23 | 91.3% | 0 |
| February 2025 | 22 | 20 | 95.0% | 2 |
| March 2025 | 26 | 26 | 88.5% | 0 |
| April 2025 | 22 | 22 | 100.0% | 0 |
| May 2025 | 22 | 22 | 95.5% | 0 |
| June 2025 | 21 | 20 | 90.0% | 1 |
| July 2025 | 23 | 20 | 80.0% | 3 |
| August 2025 | 25 | 23 | 87.0% | 2 |
| September 2025 | 22 | 21 | 100.0% | 1 |
| October 2025 | 26 | 26 | 76.9% | 0 |
| November 2025 | 26 | 24 | 95.8% | 2 |
| December 2025 | 25 | 25 | 88.0% | 0 |
| January 2026 | 29 | 26 | 84.6% | 3 |
| February 2026 | 26 | 23 | 100.0% | 3 |
| March 2026 | 26 | 20 | 95.0% | 6 |
| April 2026 | 29 | 29 | 93.1% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 29 | 93.1% | 1 |
| July 2026 | 31 | 27 | 92.6% | 4 |