Flight profile · JetBlue
B6403
New York (JFK) to San Juan (SJU) · scheduled 9:50 PM – 2:52 AM
How B6403 performs
737 operations, 2023-07-01 to 2026-06-30.
B6403 arrived on time 62.8% of the time, against 71.0% for all JFK → SJU flights — this specific departure is 8.2 percentage points worse than the route as a whole. Against JetBlue’s own flights on this route it is 4.5 points worse.
Source: US DOT Bureau of Transportation Statistics · 737 operations between 2023-07-01 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| B6403 | 62.8% | 2.71% | 2 min | 16.2% | 737 |
| JetBlue on JFK → SJU | 67.4% | 1.81% | -1 min | 14.2% | 6,629 |
| All JFK → SJU flights | 71.0% | 1.51% | -5 min | 11.5% | 11,028 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-07-01 to 2026-06-30
Data and methodology
Calculated by FlyerIntel from 737 records of B6403 operating JFK → SJU, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.