Luis Muñoz Marín International Airport (SJU) August 2025 Operational Report

Flight Activity Overview

Total Departing Flights: 4,122

Year-over-Year Change in Departing Flights: -9.86%

In August 2025, Luis Muñoz Marín International Airport handled 4,122 departures, a -9.86% year-over-year change as carriers adjusted fleets and schedules for late‑summer demand. The hub’s mix of U.S. mainland and Caribbean flows helped balance leisure peaks with connecting traffic.

On-Time Performance and Cancellations

Departure On-Time Performance: 72.88%

Year-over-Year Change in On-Time Performance: +0.17 percentage points

Cancelled Flights: 32

Year-over-Year Change in Cancellations: -86.67%

Departure on-time performance reached 72.88% (+0.17 percentage points versus a year ago), with occasional afternoon convection and air traffic initiatives shaping the day’s peaks. Cancelled departures totaled 32 (-86.67% YoY), limiting severe disruptions for most travelers.

Airlines Serving SJU

In August 2025, Luis Muñoz Marín International Airport supported 4,122 departures across a blend of U.S. network and low‑cost carriers linking San Juan to major mainland hubs and Caribbean destinations. The network emphasizes point‑to‑point leisure markets alongside connectivity to cities such as New York, Miami, Orlando, and Atlanta.

Outlook

Over the next 4–8 weeks, schedules at the hub should remain broadly steady with departure punctuality near current levels; afternoon thunderstorms and weekend surges may still trigger pockets of delay. Passengers should favor morning departures, allow 60–90 minutes of buffer for security and connections on peak days, and monitor real‑time gate and weather alerts via the NextFly App.