Best FF program for upgrades?
Hey all,
After a trip ORD-DUB on EI in Y (trip report forthcoming when I get my pictures scanned), my mother and I have decided never again to fly overseas in coach. We're going to switch all of our business to one airline, and upgrade (using miles or otherwise) whenever we fly overseas. So then, my question to FT: What is the airline/FF program that offers the best prospects as far as upgrades, both mainline and on partner airlines? Other important points: Breadth of route network, amount of service out of TYS (where we are), amount of room in domestic coach seats.
Thanks in advance, all.
-Charlie