In response to switching from DL to which Frequent Flyer Program? In my humble opinion…
For people who fly 100K miles or more US AIRWAYS Chairman's Preferred is the best. UNLIMITED UPGRADES, NO COUPON REQUIRED, 7 day advance confirmed upgrade
(even on discount tickets), and complimentary companion upgrade. In my opinion, this is the best frequent flyer program in the industry for people who fly more than 100K. I hope that United will mirror US AIR's program rather than the other way around if the merger goes through.
Incidentally, UA 1K is poor compared to US AIR Chairman's Preferred status - or am I the only one who is missing something?