Originally Posted by
canadiancow
Let's say there are two SE's on M fares, both flying YYZ-YVR with no connections before or after.
There is one seat in J left.
Who gets it?
It's either going to be based on request time, check-in time, or random.
You can control two of those three possibilities
But you're assuming that all three factors are weighted equally, which
nobody can confirm. In addition, there could be other confounding variables which nobody knows about.