When a passenger wants to recline and the passenger behind her objects, whose rights prevail? The airlines' official "contracts of carriage" don't address this question. Slate intern Jenny Rogers contacted several airlines and asked for clarification. JetBlue said it had no formal policy for resolving such conflicts; other airlines didn't respond. As commenter Donny Kerabatsos pointed out, this ambiguity amounts to "selling the same space to two different people."
More here .