Originally Posted by
GUWonder
Given 3-3-3 and 3-4-3 seating arrangements, car seat placement in seat is more likely to be passenger displacing if the car seat installer boards later than sooner. Courtesy of airlines' emergency evacuation concerns and how car seat placement works into that.
I agree that parents with a car seat boarding last would slow the process. However, again IME, many of the families I have seen are not bringing one of these along.