Many things in the airline industry are not always clear. Surely, you have overheard someone in an airport or on a plane lamenting that they have a layover of two hours in the airport. Or perhaps, you caught part of a conversation of someone having a stopover for a couple of hours. Technically they are not the same thing, and one can actually be a good thing as it can give you the chance to stop somewhere en route before going on to your final destination.

Delta SkyMiles members have been jerked around a lot over the past few years. Delta was the first of the major airlines to go revenue-based creating a domino effect with other airlines and limiting the mileage-earning potential of frequent flyers.