B6861
B6861 (JetBlue Airways) flies Boston to San Juan. Of 651 departures recorded from October 2024 to July 2026, 84.4% left on time, according to the US BTS.
- On-time departures84.4%of 651 flights
- Average delay11.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.5%
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 31 | ▲ 3.3% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 25 | 30 | ▲ 20.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 206 | 212 | ▲ 2.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 83.3% | 74.1% | ▼ 11.1% |
| February | 82.1% | 84.6% | ▲ 3.0% |
| March | 96.8% | 93.3% | ▼ 3.6% |
| April | 76.7% | 93.3% | ▲ 21.7% |
| May | 87.1% | 87.1% | 0.0% |
| June | 84.0% | 80.0% | ▼ 4.8% |
| July | 96.8% | 45.2% | ▼ 53.3% |
| August | 100.0% | – | – |
| September | 73.3% | – | – |
| October | 93.3% | – | in progress |
| November | 96.4% | – | – |
| December | 83.9% | – | – |
| Year-to-date average (Jan–Jul) | 86.7% | 79.7% | ▼ 8.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 4 | – |
| February | 0 | 2 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 7 |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.5% 641
- Cancelled 1.5% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS SJU Boston Logan International Airport – Luis Munoz Marin International Airport | 2,702 | 11.0 min | 84.4% | 651 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 65.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 30 | 30 | 83.3% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 25 | 25 | 84.0% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 31 | 30 | 100.0% | 1 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 31 | 30 | 93.3% | 1 |
| November 2025 | 29 | 28 | 96.4% | 1 |
| December 2025 | 31 | 31 | 83.9% | 0 |
| January 2026 | 31 | 27 | 74.1% | 4 |
| February 2026 | 28 | 26 | 84.6% | 2 |
| March 2026 | 31 | 30 | 93.3% | 1 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 31 | 45.2% | 0 |