B619
B619 (JetBlue Airways) is a multi-stop service on 2 routes, busiest Boston to San Diego. Of 369 departures recorded from October 2024 to May 2026, 79.9% left on time, according to the US BTS.
- On-time departures79.9%of 369 flights
- Average delay10.2 min
- May 202620
- Cancelled1.6%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 31 | ▲ 14.8% |
| February | 26 | 28 | ▲ 7.7% |
| March | 31 | 31 | 0.0% |
| April | 29 | 30 | ▲ 3.4% |
| May | – | 20 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 1 | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → May 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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.6% | 82.8% | ▼ 10.6% |
| February | 84.6% | 65.4% | ▼ 22.7% |
| March | 93.6% | 61.3% | ▼ 34.5% |
| April | 89.7% | 80.0% | ▼ 10.8% |
| May | – | 75.0% | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 100.0% | – | – |
| October | 50.0% | – | in progress |
| November | 86.2% | – | – |
| December | 66.7% | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
according to the US BTS · October 2024 → May 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 98.4% 363
- Cancelled 1.6% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 20, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS SAN Boston Logan International Airport – San Diego International Airport | 4,156 | 10.3 min | 79.8% | 368 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 66.7% | 0 |
| November 2024 | 21 | 21 | 95.2% | 0 |
| December 2024 | 13 | 12 | 83.3% | 1 |
| January 2025 | 27 | 27 | 92.6% | 0 |
| February 2025 | 26 | 26 | 84.6% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 29 | 29 | 89.7% | 0 |
| September 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 6 | 6 | 50.0% | 0 |
| November 2025 | 29 | 29 | 86.2% | 0 |
| December 2025 | 31 | 30 | 66.7% | 1 |
| January 2026 | 31 | 29 | 82.8% | 2 |
| February 2026 | 28 | 26 | 65.4% | 2 |
| March 2026 | 31 | 31 | 61.3% | 0 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 20 | 20 | 75.0% | 0 |