Here's something that the big airlines really wish we wouldn’t discuss right now, with planes flying full, fares rising, fuel prices stabilizing and customers generally resigned to the air travel system:
Some domestic airlines are weighing the idea of discouraging passengers from lugging oversize carry-on bags onto planes by imposing a $25 charge, at the gate, on bags that exceed the posted size limits. Alaska Airlines , the No. 7 carrier in domestic market share, is already quietly doing just that, in fact.
Spirit Airlines initiated a major new approach to carry-on bags almost two years ago when it began charging passengers $45 to stash carry-ons in overhead bins. Spirit plans to raise that fee at the gate this fall to $100 per bag. But Spirit’s success in discouraging carry-ons has evidently resonated with the bigger airlines, at least on the subject of passengers who now gate-check oversize bags free.