Comment by mavelikara

I believe this is capped at a maximum of $1300. From [1]:

    If it’s more than two hours (four hours for international
    flights), or if the airline does not offer alternate 
    flights, the compensation is 400 percent of your one-way 
    fare, with a $1300 maximum.

[1] http://www.cntraveler.com/stories/2014-09-04/bumped-due-to-o...