I wouldn't say it's flopped. Going from
Box Office Mojo, it's stayed in the Top 10 - the films that have dropped it down in the rankings are either films that are very much for kids (Mario Bros) or horror films that aren't going for the same audience (Renfield - Horror-comedy, The Pope's Exorcist - psychological/supernatural horror). Further, going from the total box office, it modestly surpassed its budget, and is still in theaters, so it has time to make more money.
By comparison, if you're looking for a flop, Babylon was nominated for multiple Academy Awards and had an approximately $80 million dollar budget, but only made $63 million worldwide. So, wait until it's out of theaters maybe before declaring it a flop?