SJU Today
Clean day, better than the weekly average. Departures at 85%, arrivals worse at 71%. Midday flights ran 15 points better than afternoon. Fly 12pm - 3pm if you can. That window has been running at 80%.
What This Means for You
Good day to fly from SJU. 85% of departures are on time. Your flight will probably leave on schedule. Normal operations.
If you can choose your departure time: midday flights (12pm - 3pm) run at 80%. Afternoon (3pm - 6pm) drops to 65%. That is a 15-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
Midday vs Afternoon is a 15-point swing at SJU. The midday block runs at 80%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning started OK at 71%. Hit 0% around 2am, peaked at 100% around 8pm. Currently at 85%, recovered past the morning. A 100-point swing from best to worst today.
vs Last Week
Down 5 points from last week (74% vs 79%). Mon was the worst day, Wed the best.
The Bigger Picture
SJU has been bouncing between 59% and 86%. Best day was Aug 17 at 86%. Worst was Aug 6 at 59%. The norm is 74-80%, which is just how SJU runs.
About SJU Delays
Luis Munoz Marin International Airport (SJU) is currently running on time with 85% on-time departures and 71% on-time arrivals. This data updates every 15 minutes from FAA sources.
Luis Munoz Marin International Airport has averaged 74% 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.