B6319
B6319 (JetBlue Airways) is a multi-stop service on 3 routes, busiest Boston to San Diego. Of 411 departures recorded from October 2024 to July 2026, 82.7% left on time, according to the US BTS.
- On-time departures82.7%of 411 flights
- Average delay10.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.2%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | – | – |
| February | 24 | – | – |
| March | 2 | – | – |
| April | 30 | – | – |
| May | 31 | 11 | ▼ 64.5% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 25 | – | in progress |
| November | 8 | – | – |
| December | 2 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 93.3% | – | – |
| February | 70.8% | – | – |
| March | 100.0% | – | – |
| April | 90.0% | – | – |
| May | 80.7% | 100.0% | ▲ 24.0% |
| June | 86.7% | 86.7% | 0.0% |
| July | 87.1% | 64.5% | ▼ 25.9% |
| August | 93.6% | – | – |
| September | 73.3% | – | – |
| October | 84.0% | – | in progress |
| November | 50.0% | – | – |
| December | 100.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | – | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
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 99.8% 410
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS SAN Boston Logan International Airport – San Diego International Airport | 4,156 | 10.0 min | 82.9% | 251 |
| JFK ATL John F. Kennedy International Airport – Hartsfield Jackson Atlanta International Airport | 1,222 | 10.8 min | 82.3% | 159 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 80.0% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 30 | 30 | 83.3% | 0 |
| January 2025 | 31 | 30 | 93.3% | 1 |
| February 2025 | 24 | 24 | 70.8% | 0 |
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 25 | 25 | 84.0% | 0 |
| November 2025 | 8 | 8 | 50.0% | 0 |
| December 2025 | 2 | 2 | 100.0% | 0 |
| May 2026 | 11 | 11 | 100.0% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |