ISP Today
Rough day. Departures at 58%, arrivals worse at 40%. Early morning flights ran 46 points better than evening. Fly 5am - 9am if you can. That window has been running at 91%.
What This Means for You
Rough day at ISP. Only 58% on-time. Expect delays across the board. Check your airline app for gate changes. If connecting, prepare for misconnects.
If you can choose your departure time: early morning flights (5am - 9am) run at 91%. Evening (6pm - 10pm) drops to 45%. That is a 46-point difference from the same airport on the same day.
Westchester County Airport (HPN) is 37 miles away and running 63% 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 Evening is a 46-point swing at ISP. The early morning block runs at 91%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning held up fine at 89%. 7pm is where it broke down, dropping to 33%. Currently at 58%, well below the morning numbers. A 67-point swing from best to worst today.
vs Last Week
Tracking about the same as last week. Departures at 68%, last week 66%. Arrivals down 9 points too. Thu was the worst day, Sat the best.
The Bigger Picture
ISP has been bouncing between 48% and 100%. Best day was Jun 3 at 100%. Worst was Jul 6 at 48%. The norm is 68-74%, which is just how ISP runs. Today's 58% is well below the norm.
About ISP Delays
Long Island MacArthur Airport (ISP) is currently experiencing significant delays with 58% on-time departures and 40% on-time arrivals. This data updates every 15 minutes from FAA sources.
Long Island MacArthur Airport has averaged 68% on-time departures this week, making it frequently delayed. 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.