requirements are 3 hours for international flights.
we try to be at the check in desk with 3 hours to spare before take off, and consider 15 minutes to drop the car off and go to the check in desk.
45 minutes for the trip to MCO (can be done in less but we don't want to take chances)
so we are supposed to leave the hotel 4 hours before ( tbh we rarely leave the hotel more than 3h30 mins before our scheduled take off.