In the US, this trend largely started with the airline deregula act in 1978. https://en.wikipedia.org/wiki/Airline_deregulation#Post-deregulation https://en.wi

In the US, this trend largely started with the airline deregula act in 1978. https://en.wikipedia.org/wiki/Airline_deregulation#Post-deregulation https://en.wikipedia.org/wiki/Airline_deregulation#Post-dere... It's been a constant trend towards a. cheaper flights b. worse quality flights.