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.
TALKING POINT | How early should you arrive at the airport ahead of your flight? Most airlines suggest somewhere between two hours and 60 minutes depending on the airline, the airport and where you're flying to. But a US professor reckons the best time to arrive at the airport is as late as possible.. And he's serious.