Originally Posted by
Chamor
For a domestic US flight, is the "two times the one way fare" IDB compensation (or four times the one way fare, depending on the length of delay) based on the fare actually paid by the passenger, or is it two times the Y (full fare coach) one way fare?
It is based on what the passenger paid for their ticket. (bolding mine)
...the airline must pay you an amount equal to 200% of your one-way fare to your final destination that day
from
http://airconsumer.ost.dot.gov/publi...tm#overbooking