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 100%. Afternoon (3pm - 6pm) drops to 58%. That is a 42-point difference from the same airport on the same day.
Westchester County Airport (HPN) is 37 miles away and running 61% 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 Afternoon is a 42-point swing at ISP. The early morning block runs at 100%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
Tracking about the same as last week. Departures at 74%, last week 76%. Arrivals down 8 points too. Thu was the worst day, Tue the best.
The Bigger Picture
ISP has been bouncing between 58% and 100%. Best day was Jun 3 at 100%. Worst was Mar 20 at 58%. The norm is 71-77%, which is just how ISP runs.
About ISP Delays
Long Island MacArthur Airport has averaged 74% 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.