Playing Devil's advocate, air travel is a much larger business than it used to be. Over time the number of flights, size of aircraft and time of flights can ch

Playing Devil's advocate, air travel is a much larger business than it used to be. Over time the number of flights, size of aircraft and time of flights can change. This can lead to increased disruption over time. It's not unreasonable to complain about an unexpected increase in disruption. You can factor some of this into the price, but you can't factor in unknown-unknowns.