SJU Today
Decent day. Departures at 84%, arrivals better at 100%. Early morning flights ran 25 points better than late morning. Fly 5am - 9am if you can. That window has been running at 83%.
What This Means for You
Mostly normal at SJU. 84% on-time means roughly 1 in 6 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: early morning flights (5am - 9am) run at 83%. Late morning (9am - 12pm) drops to 58%. That is a 25-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
Early Morning vs Late Morning is a 25-point swing at SJU. The early morning block runs at 83%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning started OK at 68%. Hit 33% around 5am, peaked at 100% around 3am. Currently at 84%, recovered past the morning. A 67-point swing from best to worst today.
vs Last Week
Down 11 points from last week (74% vs 85%). Arrivals roughly the same. Mon was the worst day, Wed the best.
The Bigger Picture
SJU has been bouncing between 64% and 89%. Best day was Jun 5 at 89%. Worst was Mar 19 at 64%. The norm is 77-83%, 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 running on time with 84% on-time departures and 100% 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.