ISP Today
What This Means for You
Delay data is currently unavailable for ISP.
If you can choose your departure time: midday flights (12pm - 3pm) run at 90%. Afternoon (3pm - 6pm) drops to 73%. That is a 17-point difference from the same airport on the same day.
John F. Kennedy International Airport (JFK) is 37 miles away and running 100% today. If your route is available from both airports, JFK is the better bet right now.
ISP Flight Board
Live departures and arrivals at Long Island MacArthur Airport.
| Status | Airline | Flight | Destination | Sched | Updated | Gate |
|---|---|---|---|---|---|---|
Pick Your Window
Midday vs Afternoon is a 17-point swing at ISP. The midday block runs at 90%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
Down 5 points from last week (71% vs 76%). Arrivals roughly the same. Wed was the worst day, Sat the best.
The Bigger Picture
ISP has been bouncing between 40% and 100%. Best day was Feb 18 at 100%. Worst was Feb 16 at 40%. The norm is 68-74%, which is just how ISP runs.
About ISP Delays
Long Island MacArthur Airport has averaged 71% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.
Long Island MacArthur 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 JFK (John F. Kennedy International Airport), HPN (Westchester County Airport), LGA (LaGuardia Airport), EWR (Newark Liberty International Airport) and SWF (New York Stewart International Airport). When ISP is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Long Island MacArthur 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.