B6504
B6504 (JetBlue Airways) is a multi-stop service on 2 routes, busiest San Juan to New York. Of 204 departures recorded from April 2025 to July 2026, 78.4% left on time, according to the US BTS.
- On-time departures78.4%of 204 flights
- Average delay15.3 min
- July 202629▼ 6.5%vs July 2025
- Cancelled2.5%
- Legs flown under this number2
Recorded departures by month
Short series — B6504 has only 10 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 5 | – | – |
| May | 26 | 11 | ▼ 57.7% |
| June | 30 | 30 | 0.0% |
| July | 31 | 29 | ▼ 6.5% |
| August | 31 | – | – |
| September | 2 | – | – |
| October | 9 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → July 2026
On-time departures by month
Short series — B6504 has only 10 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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 100.0% | – | – |
| May | 96.2% | 100.0% | ▲ 4.0% |
| June | 86.7% | 72.4% | ▼ 16.5% |
| July | 75.9% | 29.6% | ▼ 60.9% |
| August | 93.6% | – | – |
| September | 100.0% | – | – |
| October | 77.8% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → July 2026
Average departure delay by month
Short series — B6504 has only 10 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 · April 2025 → July 2026
Cancelled departures by month
Short series — B6504 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 2 | 2 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → 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 97.5% 199
- Cancelled 2.5% 5
Share of all recorded flights in the period, all legs. · Apr 11, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SJU JFK Luis Munoz Marin International Airport – John F. Kennedy International Airport | 2,578 | 15.9 min | 78.0% | 200 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 5 | 5 | 100.0% | 0 |
| May 2025 | 26 | 26 | 96.2% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 29 | 75.9% | 2 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 9 | 9 | 77.8% | 0 |
| May 2026 | 11 | 11 | 100.0% | 0 |
| June 2026 | 30 | 29 | 72.4% | 1 |
| July 2026 | 29 | 27 | 29.6% | 2 |