When Should I Leave for Nantucket Memorial Airport?
Real-time calculator for Nantucket, MA (ACK) — live traffic, TSA waits, all transport modes.
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Frequently Asked Questions — ACK
How early should I arrive at ACK?⌄
For most flights at Nantucket Memorial Airport, arriving 90 minutes before departure is sufficient for domestic travel. For international flights allow 2.5–3 hours. The WhenToLeave calculator factors in live traffic, TSA wait times, and your specific transport mode to give you a precise leave time.
What are the TSA wait times like at ACK?⌄
TSA wait times at Nantucket Memorial Airport are generally shorter than at major hub airports. Early morning and mid-day tend to have the shortest queues. The WhenToLeave calculator integrates live TSA data when available to build wait time directly into your recommended departure time.
How long does it take to get from Nantucket to ACK?⌄
Travel time from Nantucket to Nantucket Memorial Airport depends heavily on traffic conditions and your starting point. Use the WhenToLeave calculator to enter your exact address and get a real-time estimate including current traffic, parking time, and check-in buffer.
About ACK — Nantucket Memorial Airport
Nantucket Memorial Airport offers convenient access to Nantucket and the surrounding region of MA, with shorter security lines than major hubs.
Travelers departing ACK typically clear security faster than at major hub airports, though TSA wait times still vary by time of day.
Nantucket is located in MA, and ACK sits at coordinates 41.25°N, 70.06°W.
Plan for an average 10-minute walk from security to your gate at ACK. Gates at the far end of concourses may add extra time — always check your boarding pass early.
TSA wait times at ACK are estimated using historical patterns for your day of week and time of travel. Early morning and mid-day flights typically see the shortest security lines.
ACK offers scheduled commercial service, connecting Nantucket to destinations across the US.