Originally Posted by Mikey_AIK
I am wondering why should one use internet check in only just to get a seat while you still have to stand in line anyway in order check in your bags.
If checking in as early as possible matters (e.g. in a possible overbooking situation where you do not want to be involuntarily bumped, or when flying on Southwest), checking in 23:59 before the flight may be advantageous to checking in 1:30 before the flight.