YX5721
YX5721 (Republic Airways) is a multi-stop service on 4 routes, busiest Boston to New York. Of 615 departures recorded from October 2024 to July 2026, 71.2% left on time, according to the US BTS.
- On-time departures71.2%of 615 flights
- Average delay18.3 min
- July 202627▼ 12.9%vs July 2025
- Cancelled6.8%
- Legs flown under this number4
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 | 31 | 19 | ▼ 38.7% |
| February | 28 | 15 | ▼ 46.4% |
| March | 31 | 25 | ▼ 19.4% |
| April | 28 | 30 | ▲ 7.1% |
| May | 31 | 31 | 0.0% |
| June | 30 | 27 | ▼ 10.0% |
| July | 31 | 27 | ▼ 12.9% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 27 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 210 | 174 | ▼ 17.1% |
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 | 83.3% | 86.7% | ▲ 4.0% |
| February | 84.6% | 86.7% | ▲ 2.4% |
| March | 71.0% | 61.9% | ▼ 12.8% |
| April | 71.4% | 70.0% | ▼ 2.0% |
| May | 51.7% | 73.3% | ▲ 41.8% |
| June | 57.7% | 73.9% | ▲ 28.1% |
| July | 52.0% | 65.2% | ▲ 25.4% |
| August | 76.7% | – | – |
| September | 59.3% | – | – |
| October | 51.7% | – | in progress |
| November | 70.4% | – | – |
| December | 67.9% | – | – |
| Year-to-date average (Jan–Jul) | 67.4% | 74.0% | ▲ 9.7% |
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 | 1 | 4 | ▲ 300.0% |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 4 | – |
| April | 0 | 0 | – |
| May | 2 | 1 | ▼ 50.0% |
| June | 4 | 4 | 0.0% |
| July | 6 | 4 | ▼ 33.3% |
| August | 1 | – | – |
| September | 3 | – | – |
| October | 2 | – | in progress |
| November | 0 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 15 | 17 | ▲ 13.3% |
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 93.2% 573
- Cancelled 6.8% 42
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 18.6 min | 71.0% | 601 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 31 | 30 | 90.0% | 1 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 28 | 26 | 84.6% | 2 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 28 | 28 | 71.4% | 0 |
| May 2025 | 31 | 29 | 51.7% | 2 |
| June 2025 | 30 | 26 | 57.7% | 4 |
| July 2025 | 31 | 25 | 52.0% | 6 |
| August 2025 | 31 | 30 | 76.7% | 1 |
| September 2025 | 30 | 27 | 59.3% | 3 |
| October 2025 | 31 | 29 | 51.7% | 2 |
| November 2025 | 27 | 27 | 70.4% | 0 |
| December 2025 | 31 | 28 | 67.9% | 3 |
| January 2026 | 19 | 15 | 86.7% | 4 |
| February 2026 | 15 | 15 | 86.7% | 0 |
| March 2026 | 25 | 21 | 61.9% | 4 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 31 | 30 | 73.3% | 1 |
| June 2026 | 27 | 23 | 73.9% | 4 |
| July 2026 | 27 | 23 | 65.2% | 4 |