B6304
B6304 (JetBlue Airways) flies San Juan to New York. Of 500 departures recorded from October 2024 to July 2026, 74.4% left on time, according to the US BTS.
- On-time departures74.4%of 500 flights
- Average delay20.6 min
- July 202621▼ 32.3%vs July 2025
- Cancelled3.0%
according to the US BTS · Oct 27, 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 | 31 | 5 | ▼ 83.9% |
| February | 28 | 12 | ▼ 57.1% |
| March | 31 | 20 | ▼ 35.5% |
| April | 30 | 13 | ▼ 56.7% |
| May | 31 | 11 | ▼ 64.5% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 21 | ▼ 32.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 25 | – | in progress |
| November | 10 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 212 | 111 | ▼ 47.6% |
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 | 67.7% | 66.7% | ▼ 1.6% |
| February | 89.3% | 60.0% | ▼ 32.8% |
| March | 80.7% | 85.0% | ▲ 5.4% |
| April | 93.3% | 92.3% | ▼ 1.1% |
| May | 74.2% | 63.6% | ▼ 14.2% |
| June | 80.0% | 67.9% | ▼ 15.2% |
| July | 65.4% | 47.1% | ▼ 28.0% |
| August | 51.6% | – | – |
| September | 73.3% | – | – |
| October | 88.0% | – | in progress |
| November | 80.0% | – | – |
| December | 64.3% | – | – |
| Year-to-date average (Jan–Jul) | 78.7% | 68.9% | ▼ 12.4% |
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 | 2 | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 5 | 4 | ▼ 20.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 9 | ▲ 80.0% |
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 97.0% 485
- Cancelled 3.0% 15
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → 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 | 20.6 min | 74.4% | 500 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 100.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 31 | 31 | 67.7% | 0 |
| January 2025 | 31 | 31 | 67.7% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 26 | 65.4% | 5 |
| August 2025 | 31 | 31 | 51.6% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 25 | 25 | 88.0% | 0 |
| November 2025 | 10 | 10 | 80.0% | 0 |
| December 2025 | 15 | 14 | 64.3% | 1 |
| January 2026 | 5 | 3 | 66.7% | 2 |
| February 2026 | 12 | 10 | 60.0% | 2 |
| March 2026 | 20 | 20 | 85.0% | 0 |
| April 2026 | 13 | 13 | 92.3% | 0 |
| May 2026 | 11 | 11 | 63.6% | 0 |
| June 2026 | 29 | 28 | 67.9% | 1 |
| July 2026 | 21 | 17 | 47.1% | 4 |