So I'll try to keep this short. I used to be Diamond on DL and switched to AA because of the Systemwide Upgrade Certificates. Since then, DL has made it so you can use the certificates on more fares and AA has cut the number of theses certificates in half. So with all that said, I'm concerned with the direction that Doug Parker is taking AA. With all that said, I'm doing my due diligence and I'm considering UA as an alternative and was wondering if you guys think that UA should be an airline that I consider. 1) I fly out of ABQ into DCA, NYC and SJU primarily - from what I have seen UA is well priced in these markets, but I'm unsure how upgrades are. 2) I upgrade anywhere from 80 - 95% of the time on AA as EXP 3) How is UA's reliability and service, I had heard they had some rough spots in the past few years since the merger. 4) Are upgrades better from Houston or Denver to Dulles or to DCA? Those are some of the things I'm thinking about. But any contrasts between the two airlines and general advise would be greatly appreciated. Thanks!