YX5638
YX5638 (Republic Airways) is a multi-stop service on 20 routes, busiest Boston to Pittsburgh. Of 919 departures recorded from October 2024 to July 2026, 81.0% left on time, according to the US BTS.
- On-time departures81.0%of 919 flights
- Average delay8.6 min
- July 202627▼ 3.6%vs July 2025
- Cancelled3.7%
- Legs flown under this number20
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 | 62 | 56 | ▼ 9.7% |
| February | 56 | 52 | ▼ 7.1% |
| March | 39 | 58 | ▲ 48.7% |
| April | 30 | 54 | ▲ 80.0% |
| May | 52 | 52 | 0.0% |
| June | 52 | 31 | ▼ 40.4% |
| July | 28 | 27 | ▼ 3.6% |
| August | 48 | – | – |
| September | 39 | – | – |
| October | 28 | – | in progress |
| November | 25 | – | – |
| December | 42 | – | – |
| Year to date (Jan–Jul) | 319 | 330 | ▲ 3.4% |
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 | 89.3% | 82.7% | ▼ 7.4% |
| February | 85.5% | 89.6% | ▲ 4.8% |
| March | 92.3% | 93.1% | ▲ 0.9% |
| April | 90.0% | 90.7% | ▲ 0.8% |
| May | 52.0% | 82.7% | ▲ 59.0% |
| June | 59.6% | 75.0% | ▲ 25.8% |
| July | 73.1% | 85.7% | ▲ 17.3% |
| August | 87.2% | – | – |
| September | 56.8% | – | – |
| October | 66.7% | – | in progress |
| November | 69.6% | – | – |
| December | 78.6% | – | – |
| Year-to-date average (Jan–Jul) | 77.4% | 85.6% | ▲ 10.7% |
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 | 6 | 4 | ▼ 33.3% |
| February | 1 | 4 | ▲ 300.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 3 | – |
| July | 2 | 6 | ▲ 200.0% |
| August | 1 | – | – |
| September | 2 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 11 | 17 | ▲ 54.5% |
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 96.3% 885
- Cancelled 3.7% 34
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 95.8% | 0 |
| November 2024 | 20 | 20 | 80.0% | 0 |
| December 2024 | 44 | 44 | 95.5% | 0 |
| January 2025 | 62 | 56 | 89.3% | 6 |
| February 2025 | 56 | 55 | 85.5% | 1 |
| March 2025 | 39 | 39 | 92.3% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 52 | 50 | 52.0% | 2 |
| June 2025 | 52 | 52 | 59.6% | 0 |
| July 2025 | 28 | 26 | 73.1% | 2 |
| August 2025 | 48 | 47 | 87.2% | 1 |
| September 2025 | 39 | 37 | 56.8% | 2 |
| October 2025 | 28 | 27 | 66.7% | 1 |
| November 2025 | 25 | 23 | 69.6% | 2 |
| December 2025 | 42 | 42 | 78.6% | 0 |
| January 2026 | 56 | 52 | 82.7% | 4 |
| February 2026 | 52 | 48 | 89.6% | 4 |
| March 2026 | 58 | 58 | 93.1% | 0 |
| April 2026 | 54 | 54 | 90.7% | 0 |
| May 2026 | 52 | 52 | 82.7% | 0 |
| June 2026 | 31 | 28 | 75.0% | 3 |
| July 2026 | 27 | 21 | 85.7% | 6 |