YX5857
YX5857 (Republic Airways) is a multi-stop service on 27 routes, busiest Boston to Washington. Of 440 departures recorded from November 2024 to July 2026, 87.8% left on time, according to the US BTS.
- On-time departures87.8%of 440 flights
- Average delay3.5 min
- July 202628▲ 21.7%vs July 2025
- Cancelled1.1%
- Legs flown under this number27
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 | 10 | 29 | ▲ 190.0% |
| February | 2 | 14 | ▲ 600.0% |
| March | 22 | 1 | ▼ 95.5% |
| April | 45 | 18 | ▼ 60.0% |
| May | 32 | 52 | ▲ 62.5% |
| June | 17 | 32 | ▲ 88.2% |
| July | 23 | 28 | ▲ 21.7% |
| August | 11 | – | – |
| September | 4 | – | – |
| October | 1 | – | in progress |
| November | 7 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 151 | 174 | ▲ 15.2% |
according to the US BTS · November 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 | 100.0% | 77.8% | ▼ 22.2% |
| February | 100.0% | 85.7% | ▼ 14.3% |
| March | 95.5% | 100.0% | ▲ 4.8% |
| April | 100.0% | 88.9% | ▼ 11.1% |
| May | 90.6% | 82.7% | ▼ 8.8% |
| June | 76.5% | 90.6% | ▲ 18.5% |
| July | 78.3% | 88.5% | ▲ 13.0% |
| August | 72.7% | – | – |
| September | 100.0% | – | – |
| October | 0.0% | – | in progress |
| November | 100.0% | – | – |
| December | 77.8% | – | – |
| Year-to-date average (Jan–Jul) | 91.5% | 87.7% | ▼ 4.2% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
according to the US BTS · November 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 98.9% 435
- Cancelled 1.1% 5
Share of all recorded flights in the period, all legs. · Nov 1, 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 |
|---|---|---|---|---|
| BOS DCA Boston Logan International Airport – Ronald Reagan Washington National Airport | 641 | 4.6 min | 85.6% | 156 |
| GSO LGA Piedmont Triad International Airport – LaGuardia Airport | 741 | 5.1 min | 87.9% | 33 |
| DTW IND Detroit Metropolitan Wayne County Airport – Indianapolis International Airport | 372 | -2.0 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 25 | 25 | 96.0% | 0 |
| December 2024 | 40 | 40 | 90.0% | 0 |
| January 2025 | 10 | 10 | 100.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 22 | 22 | 95.5% | 0 |
| April 2025 | 45 | 45 | 100.0% | 0 |
| May 2025 | 32 | 32 | 90.6% | 0 |
| June 2025 | 17 | 17 | 76.5% | 0 |
| July 2025 | 23 | 23 | 78.3% | 0 |
| August 2025 | 11 | 11 | 72.7% | 0 |
| September 2025 | 4 | 3 | 100.0% | 1 |
| October 2025 | 1 | 1 | 0.0% | 0 |
| November 2025 | 7 | 7 | 100.0% | 0 |
| December 2025 | 27 | 27 | 77.8% | 0 |
| January 2026 | 29 | 27 | 77.8% | 2 |
| February 2026 | 14 | 14 | 85.7% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| April 2026 | 18 | 18 | 88.9% | 0 |
| May 2026 | 52 | 52 | 82.7% | 0 |
| June 2026 | 32 | 32 | 90.6% | 0 |
| July 2026 | 28 | 26 | 88.5% | 2 |