YX4737
YX4737 (Republic Airways) is a multi-stop service on 9 routes, busiest Buffalo to New York. Of 609 departures recorded from October 2024 to July 2026, 85.8% left on time, according to the US BTS.
- On-time departures85.8%of 609 flights
- Average delay9.5 min
- July 202642▼ 23.6%vs July 2025
- Cancelled3.9%
- Legs flown under this number9
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 | 25 | 25 | 0.0% |
| February | 22 | 25 | ▲ 13.6% |
| March | 21 | 27 | ▲ 28.6% |
| April | 26 | 29 | ▲ 11.5% |
| May | 23 | 24 | ▲ 4.3% |
| June | 55 | 8 | ▼ 85.5% |
| July | 55 | 42 | ▼ 23.6% |
| August | 36 | – | – |
| September | 26 | – | – |
| October | 30 | – | in progress |
| November | 25 | – | – |
| December | 21 | – | – |
| Year to date (Jan–Jul) | 227 | 180 | ▼ 20.7% |
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% | 100.0% | ▲ 13.6% |
| February | 100.0% | 91.3% | ▼ 8.7% |
| March | 95.2% | 92.0% | ▼ 3.4% |
| April | 96.2% | 78.6% | ▼ 18.3% |
| May | 90.9% | 91.7% | ▲ 0.8% |
| June | 72.7% | 50.0% | ▼ 31.3% |
| July | 57.1% | 95.2% | ▲ 66.7% |
| August | 79.4% | – | – |
| September | 96.0% | – | – |
| October | 96.7% | – | in progress |
| November | 90.9% | – | – |
| December | 68.4% | – | – |
| Year-to-date average (Jan–Jul) | 85.7% | 85.5% | ▼ 0.2% |
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 | 1 | 2 | ▲ 100.0% |
| March | 0 | 2 | – |
| April | 0 | 1 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 6 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 8 | 8 | 0.0% |
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 96.1% 585
- Cancelled 3.9% 24
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BUF LGA Buffalo Niagara International Airport – LaGuardia Airport | 469 | 5.4 min | 91.1% | 410 |
| ORD CVG Chicago O'Hare International Airport – Cincinnati Northern Kentucky International Airport | 425 | 21.8 min | 72.3% | 87 |
| CVG ORD Cincinnati Northern Kentucky International Airport – Chicago O'Hare International Airport | 425 | 30.2 min | 64.8% | 58 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 100.0% | 0 |
| November 2024 | 23 | 23 | 91.3% | 0 |
| December 2024 | 24 | 24 | 87.5% | 0 |
| January 2025 | 25 | 25 | 88.0% | 0 |
| February 2025 | 22 | 21 | 100.0% | 1 |
| March 2025 | 21 | 21 | 95.2% | 0 |
| April 2025 | 26 | 26 | 96.2% | 0 |
| May 2025 | 23 | 22 | 90.9% | 1 |
| June 2025 | 55 | 55 | 72.7% | 0 |
| July 2025 | 55 | 49 | 57.1% | 6 |
| August 2025 | 36 | 34 | 79.4% | 2 |
| September 2025 | 26 | 25 | 96.0% | 1 |
| October 2025 | 30 | 30 | 96.7% | 0 |
| November 2025 | 25 | 22 | 90.9% | 3 |
| December 2025 | 21 | 19 | 68.4% | 2 |
| January 2026 | 25 | 22 | 100.0% | 3 |
| February 2026 | 25 | 23 | 91.3% | 2 |
| March 2026 | 27 | 25 | 92.0% | 2 |
| April 2026 | 29 | 28 | 78.6% | 1 |
| May 2026 | 24 | 24 | 91.7% | 0 |
| June 2026 | 8 | 8 | 50.0% | 0 |
| July 2026 | 42 | 42 | 95.2% | 0 |