SJU Today
Bad day, worse than the weekly average. Departures at 30%, arrivals better at 79%. Late morning flights ran 38 points better than evening. Fly 9am - 12pm if you can. That window has been running at 79%.
Pick Your Window
Late Morning vs Evening is a 38-point swing at SJU. The late morning block runs at 79%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning started OK at 69%. Hit 20% around 12am, peaked at 88% around 9am. Currently at 30%, well below the morning numbers. A 68-point swing from best to worst today.
vs Last Week
Down 15 points from last week (59% vs 74%). Arrivals down 7 points too. Mon was the worst day, Fri the best.
The Bigger Picture
SJU has been bouncing between 58% and 83%. Best day was Feb 17 at 83%. Worst was Mar 17 at 58%. The norm is 71-77%, which is just how SJU runs. Today's 30% is well below the norm.
About SJU Delays
Luis Munoz Marin International Airport (SJU) is currently experiencing significant delays with 30% on-time departures and 79% on-time arrivals. This data updates every 5 minutes from FAA sources.
Luis Munoz Marin International Airport has averaged 59% on-time departures this week, making it frequently delayed. Performance varies by time of day and weather conditions.
Luis Munoz Marin International Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.
Nearby alternatives include STT (Cyril E. King Airport). When SJU is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Luis Munoz Marin International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.