Here's the deal: Yes, your metabolism affects your size, and the faster your personal motor runs, the more calories you'll burn. But the truth is, a slow metabolism isn't the real reason you're packing on pounds. You are the reason.
As a general rule, arrive at the airport no later than two hours before your domestic flight is scheduled to depart. This is somewhat later than the typical suggestion of three hours for an international flight.
At the airport. The TSA recommends arriving at the airport 2 hours before your flight (3 hours for international). If you travel often, save time by enrolling in TSA PreCheck. Weâre working with the U.S. government to alleviate these delays.