12:30 That allows the half hour drive to the airport. You will be boarding at 2:30 so that gives you an hour and half to get checked in and through security.
If you are renting a car figure at least half an hour for luggage to come, sometimes it comes much sooner, then 15-20 mins to rent the car, then the half hour drive to your resort.
If you are using DME they will pick you up to return to the airport 3 hours before your flight.