The most efficient way to board planes: Even numbered "A" window seats first, then odd numbered "A" windows. Even numbered "F" windows next, then odd numbered "F" windows. Rinse and repeat for middle and aisle ; windows, seats

The most efficient way to board planes: Even numbered "A" window seats first, then odd numbered "A" windows. Even numbered "F" windows next, then odd numbered "F" windows. Rinse and repeat for middle and aisle