Despite the turbulence, Mel Gibson’s “Flight Risk” managed to open No. 1 at the box office with a modest $12 million, according to studio estimates Sunday.

"Flight Risk"—director Mel Gibson’s new action thriller starring Mark Wahlberg—is targeting a No. 1 debut at the weekend box office.

"Flight Risk," an action thriller starring Mark Wahlberg and directed by Mel Gibson, was No. 1 in a glacially slow weekend at the box office.