On December 1st, 2024, an American Airlines flight from its hub at Chicago O’Hare International Airport (ORD) was diverted back to the Windy City following what it described as a “maintenance issue” and what some media outlets have categorized as a midair emergency. The aircraft in question was a Boeing 737-800 which was set to takeoff for Harry Reid International Airport (LAS) in Las Vegas, according to data from the flight tracking website FlightAware.