Passengers aboard Frontier Airlines Flight 3345 to Chicago O’Hare restrain a disruptive passenger after he attempts to open a jet door mid-flight and bursts into the cockpit, according to a report. The incident occurs during the flight and prompts other passengers to take action to help control the situation. A former MMA fighter, Josh Longood from Chicago, is described as quickly intervening to assist in subduing the passenger. The report states that the passenger’s behavior escalates to the point that passengers restrain him while the aircraft continues toward its destination. Details reported focus on the immediate in-air disruption, including the attempted access to the jet’s door and the intrusion into the cockpit, and on the actions taken by passengers to stop further interference. The account does not provide additional information in the provided text about any injuries, charges, or the outcome for the passenger after arrival.