MDW → SJU: cancellations & delays
Over Jan 2023 - Apr 2026, 2.1% of Chicago Midway International Airport (MDW) to Luis Munoz Marin International Airport (SJU) flights were cancelled and 31.3% arrived at least 15 minutes late, across 418 flights, flown by F9, WN. Cancellations peak in January.
Check today's live MDW departures →Airport pages: Chicago Midway International Airport (MDW) · 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.