delay flights instead of canceling whenever possible, which can make for some long travel days. Although so can getting rerouted through hubs.
As far as the seats, you are correct - basically the same crappy economy seats as Delta. The difference is that my wife was on the Delta flight to SLC at the same time, but we paid over $700 for her crappy Delta seat into SLC, where we paid just over $100 for my crappy seat into Provo. And the A220 is a much, much nicer aircraft than those 739 cattle cars.