Originally Posted by
xliioper
Since they are only listing it as the lowest "potential" price and not showing it on any specific flight offerings, I doubt there is much DOT could do. If they quoted the cheaper QR fare on a specific set of flights, and then switched to a more expensive AS fare when you went to checkout, there would be a much stronger case.
This is by no means unique to AS and there's no DOT violation. Even if you put the ticket in the cart and it then increased at checkout, that would not be a violation. WN is notorious for this. What DOT forbids is a
post-purchase price increase.