So many miles, so many worries. It's easy to earn frequent flier miles doing just about everything, from shopping for groceries to ordering dinner, but when it comes time to actually use them, all sorts of issues can pop up.
Even as their accounts grow, members of frequent flier programs face lots of uncertainty these days, with looming plan changes, point devaluations, hefty surcharges and the notion that if an airline ever decides to kick them out, there's little they can do.
The U.S. Supreme Court seemed reluctant this month to expand the right of airline passengers to sue when they're terminated from frequent flier programs.The case involves Minnesota Rabbi S. Binyomin Ginsberg, who was notified in 2008 that his status at Northwest was revoked because he had "abused the program" by frequently complaining and asking for compensation.
(Read more: Relax at O'Hare Airport? Now that's a stretch)