Question : How often is the Austin Straubel International Airport (GRB) to Nantucket Memorial Airport (ACK) route delayed?
Answer : The Green Bay to Nantucket route has been particularly poor at getting passengers to their destination on time and currently ranks among the worst in the world. If a flight is delayed, expect an average of about half an hour added to your flight time.
Question : Is this route your best bet for getting to Nantucket with minimal delays?
Answer : Using the combined on-time percentage and average delay breakdown, Green Bay to Nantucket currently has a 0 out of a possible 5 star rating. A 0-star rating means you should feel rather worried about getting to Nantucket on time.