JFK → SJU: cancellations & delays
Over Jan 2023 - Apr 2026, 1.5% of John F. Kennedy International Airport (JFK) to Luis Munoz Marin International Airport (SJU) flights were cancelled and 30.0% arrived at least 15 minutes late, across 12,158 flights, flown by B6, DL, F9. Cancellations peak in August.
Check today's live JFK departures →Airport pages: John F. Kennedy International Airport (JFK) · Luis Munoz Marin International Airport (SJU)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.