Long Island Mac Arthur Airport
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Long Island Mac Arthur Airport
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Total Queue Time Estimate
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Wait Time History — Long Island Mac Arthur Airport
HistoricalSecurity wait times at ISP over time, based on live sensor and API data.
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Tips for Long Island Mac Arthur Airport
- Arrive at least 90 minutes early for domestic and 150 minutes for international flights.
- Security is typically busiest 6-9 AM and 4-7 PM. Midday flights (11 AM-2 PM) usually have the shortest queues.
- +4h Forecast typically has the shortest security wait times.
- TSA PreCheck is available here. Enrolled travelers typically wait about 4 minutes — roughly half the standard line.
- Check in online and use mobile boarding passes to skip the check-in counter and head straight to security.
- Tuesdays and Wednesdays typically have the lightest passenger traffic. Friday afternoons and Sunday evenings are usually the busiest.
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More About Long Island Mac Arthur Airport
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Quick Info
Peak Hours
Quick Tips
- Arrive 2-3 hours early for international flights
- Check-in online to save time
- Use TSA PreCheck for faster screening
When to Arrive
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Long Island Mac Arthur Airport (ISP) provides real-time security, check-in, and immigration wait time data. TSA PreCheck and CLEAR availability information included. Sign up for detailed wait time estimates.
Last updated: June 15, 2026
About Long Island Mac Arthur Airport
Long Island Mac Arthur Airport (ISP) serves Islip in United States. Travelers flying through ISP should plan for variable security wait times depending on time of day and season.
TSA PreCheck is available at ISP, letting enrolled travelers skip the standard screening line.
The busiest travel periods at ISP are Jul, Aug, Dec. During these months, wait times can be 30-50% longer than average. Arriving early is always recommended during busy periods.