90 min should be fine. There is no priority line for security / immigration but the lines arent long and move quickly.
Originally Posted by
IflyonAA
Also, whilst on the subject, the AA lounge has been moved (temporarily) to somewhere a million miles away. Took ages to walk there and frankly not worth it. Use the LAN lounge.
Very good advice. You are practically walking to Miami to reach the lounge...