B6303 JFK → SJU
JetBlue Airways · New York, NY to San Juan, PR · 119 flights observed, 2025-07-01 to 2026-06-30 · 1,598 mi
B6303 covers more than one route in the data window — the stats below are for JFK → SJU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+8 min
90th percentile
+87 min
Cancellation rate
1%
How often is B6303 on time?
Across 119 flights on JFK → SJU from 2025-07-01 to 2026-06-30, B6303 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +87 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 67 | 57% |
| 16-30 min | 15 | 13% |
| 31-60 min | 15 | 13% |
| 61-120 min | 12 | 10% |
| 2+ hrs | 9 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 47% | +34 min |
| 2025-08 | 31 | 65% | +19 min |
| 2025-09 | 1 | 100% | -22 min |
| 2025-10 | 18 | 39% | +45 min |
| 2026-05 | 8 | 75% | +1 min |
| 2026-06 | 30 | 63% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 59% |
| Tue | 14 | 57% |
| Wed | 13 | 69% |
| Thu | 19 | 42% |
| Fri | 19 | 53% |
| Sat | 18 | 67% |
| Sun | 18 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…