provided by the FAA's Air Traffic Control System Command Center
Nantucket Memorial Airport (ACK) Real-time Status
The status information provided on this site indicates general airport conditions; it is not flight-specific.  Check with your airline to determine if your flight is affected.
Delays by Destination: 
  • Due to CAT I ONLY, departure traffic destined to Chicago OHare International Airport, Chicago, IL (ORD) will not be allowed to depart until at or after 7:30 am EDT.
General Departure Delays: Traffic is experiencing gate hold and taxi delays lasting 15 minutes or less.
General Arrival Delays: Arrival traffic is experiencing airborne delays of 15 minutes or less.
This information was last updated: Aug 31, 2015 at 10:48 AM GMT

Glossary of Air Traffic Management Terms - A table containing definitions and/or descriptions of many common Air Traffic Management acronyms.