What about an older woman with mobility issues who would prefer the aisle seat? One man was asked to give up his aisle seat on a recent long-haul flight to one such passenger. He declined.

A furious passenger stated, "I count 30 pre-boards needing wheelchair assistance. When we get off the plane, 28 of them walk off!" ...

If yes, does the traveler have to pay for 2nd seat? 'And is there a handicap hierarchy. What if one passenger has a terrible dog dander allergy, and another has a service dog. When people have ...