YX4346
YX4346 (Republic Airways) is a multi-stop service on 12 routes, busiest New York to Boston. Of 619 departures recorded from October 2024 to July 2026, 74.9% left on time, according to the US BTS.
- On-time departures74.9%of 619 flights
- Average delay16.3 min
- July 202631▲ 3.3%vs July 2025
- Cancelled6.0%
- Legs flown under this number12
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 | 27 | 0.0% |
| February | 28 | 21 | ▼ 25.0% |
| March | 31 | 30 | ▼ 3.2% |
| April | 30 | 31 | ▲ 3.3% |
| May | 31 | 29 | ▼ 6.5% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 31 | – | – |
| September | 25 | – | – |
| October | 30 | – | in progress |
| November | 28 | – | – |
| December | 26 | – | – |
| Year to date (Jan–Jul) | 207 | 199 | ▼ 3.9% |
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 | 73.1% | 72.0% | ▼ 1.5% |
| February | 74.1% | 71.4% | ▼ 3.6% |
| March | 76.7% | 56.0% | ▼ 27.0% |
| April | 93.3% | 80.7% | ▼ 13.6% |
| May | 87.1% | 75.9% | ▼ 12.9% |
| June | 44.4% | 65.5% | ▲ 47.4% |
| July | 75.0% | 61.5% | ▼ 17.9% |
| August | 80.0% | – | – |
| September | 80.0% | – | – |
| October | 79.3% | – | in progress |
| November | 80.0% | – | – |
| December | 62.5% | – | – |
| Year-to-date average (Jan–Jul) | 74.8% | 69.0% | ▼ 7.8% |
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 | 2 | ▲ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 5 | ▲ 400.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 1 | ▼ 66.7% |
| July | 10 | 5 | ▼ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 16 | 13 | ▼ 18.8% |
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 94.0% 582
- Cancelled 6.0% 37
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA BOS LaGuardia Airport – Boston Logan International Airport | 296 | 16.6 min | 73.2% | 255 |
| DCA LGA Ronald Reagan Washington National Airport – LaGuardia Airport | 345 | 19.0 min | 71.0% | 139 |
| JFK BOS John F. Kennedy International Airport – Boston Logan International Airport | 300 | 36.1 min | 64.3% | 76 |
| LGA DCA LaGuardia Airport – Ronald Reagan Washington National Airport | 345 | 2.2 min | 88.1% | 42 |
| PWM LGA Portland International Jetport – LaGuardia Airport | 433 | 1.9 min | 93.6% | 31 |
| PHL CHS Philadelphia International Airport – Charleston International Airport | 886 | 3.6 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 100.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 24 | 23 | 78.3% | 1 |
| January 2025 | 27 | 26 | 73.1% | 1 |
| February 2025 | 28 | 27 | 74.1% | 1 |
| March 2025 | 31 | 30 | 76.7% | 1 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 27 | 44.4% | 3 |
| July 2025 | 30 | 20 | 75.0% | 10 |
| August 2025 | 31 | 30 | 80.0% | 1 |
| September 2025 | 25 | 25 | 80.0% | 0 |
| October 2025 | 30 | 29 | 79.3% | 1 |
| November 2025 | 28 | 25 | 80.0% | 3 |
| December 2025 | 26 | 24 | 62.5% | 2 |
| January 2026 | 27 | 25 | 72.0% | 2 |
| February 2026 | 21 | 21 | 71.4% | 0 |
| March 2026 | 30 | 25 | 56.0% | 5 |
| April 2026 | 31 | 31 | 80.7% | 0 |
| May 2026 | 29 | 29 | 75.9% | 0 |
| June 2026 | 30 | 29 | 65.5% | 1 |
| July 2026 | 31 | 26 | 61.5% | 5 |