The incident took place on American Airlines flight AA 618, which took off from Dallas and was en route to Newark, according to the FBI and the airline.
Now, travelers going through O'Hare International Airport this summer might have to reroute their plans after the Department of Transportation announced it would be capping the number of flights during peak summer travel season.
American Airlines is adding new service to the Dominican Republic from Philadelphia International Airport.
Colombian authorities are investigating after bullet holes were found on an American Airlines flight that traveled between Medellín, Colombia, and Miami.
The group is calling on American Airlines to negotiate a new union contract.
American Airlines says pilots aboard one of its flights mistakenly thought someone was trying to breach the cockpit on Monday.