B6509
B6509 (JetBlue Airways) flies Boston to Jacksonville. Of 169 departures recorded from March 2025 to July 2026, 63.4% left on time, according to the US BTS.
- On-time departures63.4%of 169 flights
- Average delay27.2 min
- July 202630▼ 3.2%vs July 2025
- Cancelled3.0%
Recorded departures by month
Short series — B6509 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 2 | – | – |
| April | 29 | – | – |
| May | – | 11 | – |
| June | 15 | 26 | ▲ 73.3% |
| July | 31 | 30 | ▼ 3.2% |
| August | 23 | – | – |
| September | 2 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → July 2026
On-time departures by month
Short series — B6509 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 100.0% | – | – |
| April | 89.7% | – | – |
| May | – | 81.8% | – |
| June | 46.7% | 69.2% | ▲ 48.3% |
| July | 48.4% | 52.0% | ▲ 7.5% |
| August | 52.2% | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → July 2026
Average departure delay by month
Short series — B6509 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · March 2025 → July 2026
Cancelled departures by month
Short series — B6509 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 0 | – | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 5 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.0% 164
- Cancelled 3.0% 5
Share of all recorded flights in the period, all legs. · Mar 30, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS JAX Boston Logan International Airport – Jacksonville International Airport | 1,627 | 27.2 min | 63.4% | 169 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 29 | 29 | 89.7% | 0 |
| June 2025 | 15 | 15 | 46.7% | 0 |
| July 2025 | 31 | 31 | 48.4% | 0 |
| August 2025 | 23 | 23 | 52.2% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| May 2026 | 11 | 11 | 81.8% | 0 |
| June 2026 | 26 | 26 | 69.2% | 0 |
| July 2026 | 30 | 25 | 52.0% | 5 |