I've been a whopping 19 of these. I have not been to CEC, ACV, IPL, RDD, CIC and IPL. I was quite the segment runner in my UA days.

I think LGB might be another airport that UA used to serve, but I'm not positive on that one.

Also, I don't think UA ever served SAC, the Sacramento Executive Airport...SMF, with perhaps the worst terminal in the UA system, is however