Airlines frequently enter into partnerships with other airlines, because one carrier cannot usually bring people around the globe. These collaborations typically extend to frequent-flyer programmes, ...

Link your frequent flyer number to all booking sites Always add ... Fortunately, most airlines allow you to claim missing points for eligible flights within a certain period after travel.

"For the frequent traveler ... risk under-rewarding the high-fare traveler." Inside Flyer's Petersen says it makes sense that airlines may wish to offer greater rewards to bigger-spending fliers.