Marks , watching the earlier video , notices Bowen planting the phone on Wheeler , therefore implicating Bowen as the true hijacker and mastermind of the murders . Unmasked , Bowen runs to the rear . Marks chases after him , but loses his gun to Bowen . White reveals he is Bowen 's accomplice . Their goal was to frame Marks , thus ruining the reputation of the Air Marshals Service . Bowen wants revenge for the service not preventing the death of his father during 9/11 and , as a result , believes that " security is the country 's biggest lie " and its exposure is inevitable and necessary to get it addressed . Marks persuades White , who is more in it for the money , to try to disarm the bomb , saying that he could not survive parachuting out at this altitude . However , Bowen shoots White . Kyle then suddenly descends steeply against orders , enabling Marks , with Nancy 's help , to kill Bowen . White recovers and attacks Marks , still wanting to escape the aircraft . Marks subdues him , abandoning him to die when the bomb goes off , blowing out the door . Despite the damage , Kyle manages to land the plane safely . Marks is praised as a hero . He and Summers make plans for the start of a possible future together
9/11
September 11 attacks
Non-Stop (film)