Originally Posted by DryMotorBoatin

I wasn't around long enough before the furlough to get everything really figured out so sorry if this sounds like a stupid question. Does every airfare involve at least one segment on the mainline? For instance, if I am going from A to B to C, am I guarenteed at least one mainline leg? Would it be possible to buy a ticket on AA, CAL, DAL, or UAL and fly A to B to C on nothing but regionals?