ISP Today
What This Means for You
Delay data is currently unavailable for ISP.
If you can choose your departure time: early morning flights (5am - 9am) run at 92%. Late morning (9am - 12pm) drops to 64%. That is a 28-point difference from the same airport on the same day.
Westchester County Airport (HPN) is 37 miles away and running 100% today. If your route is available from both airports, HPN 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
Early Morning vs Late Morning is a 28-point swing at ISP. The early morning block runs at 92%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
This week is 7 points better on departures (78% vs 71%). Arrivals roughly the same. Sun was the worst day, Mon the best.
The Bigger Picture
ISP has been bouncing between 48% and 100%. Best day was Sep 15 at 100%. Worst was Jul 6 at 48%. The norm is 66-72%, which is just how ISP runs.
About ISP Delays
Long Island MacArthur Airport has averaged 78% 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 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 HPN (Westchester County Airport), JFK (John F. Kennedy International Airport) and LGA (LaGuardia 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.