UAL1074 was just a little later than usual. http://flightaware.com/live/flight/UAL1074/history/20150316/2326Z/KBOS/KIAD

Imgur shows the passenger being detained on the floor of the cabin: http://imgur.com/gallery/mANg3XQ

Here is a video of the alleged would-be hijacker being subdued by passengers. It will be interesting to learn about his background.

https://www.youtube.com/watch?v=IkmZ-cFXaDY&feature=youtu.be

More coverage and video: http://www.11alive.com/story/news/2015/03/17/violent-passenger-forces-flight-to-return-to-dulles/24892077/

Now some news agency's reporting that a passenger failed to comply with crew instructions, not a hijacking attempt: http://www.wjla.com/articles/2015/03/flight-disturbance-sends-denver-bound-plane-back-to-dulles-passenger-removed--112370.html

Here's why: A passenger yelling Jihad was firstly neutralized by fellow passengers and crew...


http://www.dailymail.co.uk/news/article-2998473/Pictured-Passenger-yelled-Jihad-Jihad-tackled-ground-fellow-fliers-Washington-Denver-flight.html

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United flight turns back after passenger tackles man headed for cockpit

A quick-thinking passenger in the third row of a United flight to Denver tackled a man who was heading toward the cockpit, another man on the plane told CNN on Tuesday.

http://edition.cnn.com/2015/03/17/travel/united-airlines-flight-unruly-passenger/index.html

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Unruly Passenger Causes Flight Return

A United Airlines flight was forced to return to Washington, D.C., after a passenger failed to comply with crew instructions, a spokesman for the airline said today.

http://abcnews.go.com/US/united-airlines-jet-grounded-disturbance/story?id=29686164

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United Plane Makes U-Turn After Guy's 'Jihad' Freakout

Passengers on a United Airlines flight took matters into their own hands last night when a passenger started screaming "jihad" and running toward the cockpit.

http://www.newser.com/story/204145/united-plane-makes-u-turn-after-guys-jihad-freakout.html

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Possible Hijacking attempt

United 1074 from Dulles to Denver, according to son of person on the flight someone tried to run to cockpit:

"This just happened, my father was on the plane and took this picture. Will post videos and more pictures if people are interested. He was screaming and sprinting towards the cockpit. Several large passengers tackled him before he even reached the door. "

Found on Reddit, seems to be true, don't know about it yet, no news services covering it at the moment just yet hoping for updates soon.

http://www.reddit.com/r/pics/comments/2zb84a/failed_hijack_attempt_of_united_flight_out_of/