YX4367
YX4367 (Republic Airways) is a multi-stop service on 35 routes, busiest New York to Boston. Of 573 departures recorded from October 2024 to July 2026, 85.7% left on time, according to the US BTS.
- On-time departures85.7%of 573 flights
- Average delay4.3 min
- July 202652▲ 550.0%vs July 2025
- Cancelled3.5%
- Legs flown under this number35
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 | 12 | 31 | ▲ 158.3% |
| February | 19 | 28 | ▲ 47.4% |
| March | 31 | 14 | ▼ 54.8% |
| April | 53 | 26 | ▼ 50.9% |
| May | 34 | 37 | ▲ 8.8% |
| June | 5 | 52 | ▲ 940.0% |
| July | 8 | 52 | ▲ 550.0% |
| August | 28 | – | – |
| September | 32 | – | – |
| October | 16 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 162 | 240 | ▲ 48.1% |
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 | 90.0% | 75.0% | ▼ 16.7% |
| February | 83.3% | 96.2% | ▲ 15.4% |
| March | 85.7% | 71.4% | ▼ 16.7% |
| April | 86.8% | 96.2% | ▲ 10.8% |
| May | 97.1% | 78.4% | ▼ 19.2% |
| June | 100.0% | 86.5% | ▼ 13.5% |
| July | 87.5% | 73.5% | ▼ 16.0% |
| August | 89.3% | – | – |
| September | 84.4% | – | – |
| October | 86.7% | – | in progress |
| November | 100.0% | – | – |
| December | 77.8% | – | – |
| Year-to-date average (Jan–Jul) | 90.1% | 82.4% | ▼ 8.5% |
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 | 2 | 3 | ▲ 50.0% |
| February | 1 | 2 | ▲ 100.0% |
| March | 3 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 4 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 8 | ▲ 33.3% |
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 96.5% 553
- Cancelled 3.5% 20
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA BOS LaGuardia Airport – Boston Logan International Airport | 296 | 0.7 min | 86.9% | 162 |
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 7.2 min | 77.6% | 61 |
| PHL BOS Philadelphia International Airport – Boston Logan International Airport | 450 | 0.1 min | 90.9% | 44 |
| SDF ORD Louisville Muhammad Ali International Airport – Chicago O'Hare International Airport | 462 | -5.8 min | 100.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 93.3% | 0 |
| November 2024 | 6 | 6 | 100.0% | 0 |
| December 2024 | 17 | 17 | 76.5% | 0 |
| January 2025 | 12 | 10 | 90.0% | 2 |
| February 2025 | 19 | 18 | 83.3% | 1 |
| March 2025 | 31 | 28 | 85.7% | 3 |
| April 2025 | 53 | 53 | 86.8% | 0 |
| May 2025 | 34 | 34 | 97.1% | 0 |
| June 2025 | 5 | 5 | 100.0% | 0 |
| July 2025 | 8 | 8 | 87.5% | 0 |
| August 2025 | 28 | 28 | 89.3% | 0 |
| September 2025 | 32 | 32 | 84.4% | 0 |
| October 2025 | 16 | 15 | 86.7% | 1 |
| November 2025 | 29 | 25 | 100.0% | 4 |
| December 2025 | 28 | 27 | 77.8% | 1 |
| January 2026 | 31 | 28 | 75.0% | 3 |
| February 2026 | 28 | 26 | 96.2% | 2 |
| March 2026 | 14 | 14 | 71.4% | 0 |
| April 2026 | 26 | 26 | 96.2% | 0 |
| May 2026 | 37 | 37 | 78.4% | 0 |
| June 2026 | 52 | 52 | 86.5% | 0 |
| July 2026 | 52 | 49 | 73.5% | 3 |