SJU Today
Decent day. Departures at 79%, arrivals worse at 63%. Late morning flights ran 19 points better than evening. Fly 9am - 12pm if you can. That window has been running at 81%.
What This Means for You
Mostly normal at SJU. 79% on-time means roughly 1 in 5 flights is late. If you have a tight connection, add buffer time. Afternoon departures tend to stack up.
If you can choose your departure time: late morning flights (9am - 12pm) run at 81%. Evening (6pm - 10pm) drops to 62%. That is a 19-point difference from the same airport on the same day.
Cyril E. King Airport (STT) is 68 miles away and running 100% today. If your route is available from both airports, STT is the better bet right now.
SJU Flight Board
Live departures and arrivals at Luis Munoz Marin International Airport.
| Status | Airline | Flight | Destination | Sched | Updated | Gate |
|---|---|---|---|---|---|---|
Pick Your Window
Late Morning vs Evening is a 19-point swing at SJU. The late morning block runs at 81%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning started OK at 78%. Hit 43% around 10pm, peaked at 96% around 9am. A 53-point swing from best to worst today.
vs Last Week
Tracking about the same as last week. Departures at 71%, last week 69%. Arrivals roughly the same. Fri was the worst day, Tue the best.
The Bigger Picture
SJU has been bouncing between 62% and 89%. Best day was Jun 5 at 89%. Worst was Jul 24 at 62%. The norm is 76-82%, which is just how SJU runs. Today is right in line with the average.
About SJU Delays
Luis Munoz Marin International Airport (SJU) is currently experiencing moderate delays with 79% on-time departures and 63% on-time arrivals. This data updates every 15 minutes from FAA sources.
Luis Munoz Marin International Airport has averaged 71% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.
Luis Munoz Marin International Airport is one of 179 FAA-monitored airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 15 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.