[anon8418]

It's also worth remembering that quality of service depends on a host of variables, including departure/arrival cities (major hubs are better than regional airports), routes, and times (morning flights tend to be less delayed, Thursday afternoon flying always a bit of a shitshow), etc.

I fly out of UA hubs frequently and have had nothing but excellent service from them this year (over 50 segments flown this year, ~60K miles).

Definitely helps to have status too...

Personally, I consider SW to the be shittiest of them all. I hate having to fight for a seat...

Lastly, use google.com/flights by far my favorite booking tool now.