EWR → SJU: cancellations & delays
Over Jan 2023 - Apr 2026, 1.9% of Newark Liberty International Airport (EWR) to Luis Munoz Marin International Airport (SJU) flights were cancelled and 31.3% arrived at least 15 minutes late, across 7,444 flights, flown by UA, B6, NK, F9. Cancellations peak in June.
Check today's live EWR departures →Airport pages: Newark Liberty International Airport (EWR) · 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.