Originally Posted by
Often1
OP - You still have not told us whether this is on a single ticket. If so, it is an "illegal" connection on pretty much every carrier and you will be rebooked without fee. If it is on separate tickets, that is a different issue.
What is your final destination and on what domestic carrier are you booked? If there is service xJFK and you are already making a change, consider whether there is service xJFK which cuts off an expensive, time-consuming, and stressful land transfer.
I’m pretty sure I—>D MCT for most airlines at JFK alone is not less than 90 minutes. Highly doubt this is a single ticket and is almost definitely separate.