YX5851
YX5851 (Republic Airways) is a multi-stop service on 18 routes, busiest Boston to Baltimore. Of 522 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 522 flights
- Average delay17.0 min
- July 202627▲ 0.0%vs July 2025
- Cancelled4.2%
- Legs flown under this number18
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 | 15 | 41 | ▲ 173.3% |
| February | 6 | 50 | ▲ 733.3% |
| March | 15 | 17 | ▲ 13.3% |
| April | 23 | 18 | ▼ 21.7% |
| May | 25 | 25 | 0.0% |
| June | 26 | 26 | 0.0% |
| July | 27 | 27 | 0.0% |
| August | 25 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 28 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 137 | 204 | ▲ 48.9% |
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 | 93.3% | 81.1% | ▼ 13.1% |
| February | 100.0% | 87.0% | ▼ 13.0% |
| March | 80.0% | 76.5% | ▼ 4.4% |
| April | 87.0% | 66.7% | ▼ 23.3% |
| May | 92.0% | 76.0% | ▼ 17.4% |
| June | 69.2% | 68.0% | ▼ 1.8% |
| July | 54.2% | 60.9% | ▲ 12.4% |
| August | 79.2% | – | – |
| September | 50.0% | – | – |
| October | 57.7% | – | in progress |
| November | 84.6% | – | – |
| December | 79.0% | – | – |
| Year-to-date average (Jan–Jul) | 82.2% | 73.7% | ▼ 10.4% |
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 | 0 | 4 | – |
| February | 0 | 4 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 3 | 4 | ▲ 33.3% |
| August | 1 | – | – |
| September | 2 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 13 | ▲ 333.3% |
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 95.8% 500
- Cancelled 4.2% 22
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 |
|---|---|---|---|---|
| BOS BWI Boston Logan International Airport – Baltimore/Washington International Thurgood Marshall Airport | 594 | 40.7 min | 60.5% | 179 |
| DTW IND Detroit Metropolitan Wayne County Airport – Indianapolis International Airport | 372 | 6.0 min | 85.9% | 66 |
| LGA CLT LaGuardia Airport – Charlotte Douglas International Airport | 875 | 2.8 min | 85.4% | 53 |
| CLT LGA Charlotte Douglas International Airport – LaGuardia Airport | 875 | 7.9 min | 79.6% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 100.0% | 0 |
| November 2024 | 18 | 18 | 88.9% | 0 |
| December 2024 | 25 | 25 | 84.0% | 0 |
| January 2025 | 15 | 15 | 93.3% | 0 |
| February 2025 | 6 | 6 | 100.0% | 0 |
| March 2025 | 15 | 15 | 80.0% | 0 |
| April 2025 | 23 | 23 | 87.0% | 0 |
| May 2025 | 25 | 25 | 92.0% | 0 |
| June 2025 | 26 | 26 | 69.2% | 0 |
| July 2025 | 27 | 24 | 54.2% | 3 |
| August 2025 | 25 | 24 | 79.2% | 1 |
| September 2025 | 26 | 24 | 50.0% | 2 |
| October 2025 | 27 | 26 | 57.7% | 1 |
| November 2025 | 28 | 26 | 84.6% | 2 |
| December 2025 | 19 | 19 | 79.0% | 0 |
| January 2026 | 41 | 37 | 81.1% | 4 |
| February 2026 | 50 | 46 | 87.0% | 4 |
| March 2026 | 17 | 17 | 76.5% | 0 |
| April 2026 | 18 | 18 | 66.7% | 0 |
| May 2026 | 25 | 25 | 76.0% | 0 |
| June 2026 | 26 | 25 | 68.0% | 1 |
| July 2026 | 27 | 23 | 60.9% | 4 |