Two separate passenger incidents on US flights prompted emergency responses and law enforcement involvement. A United Airlines flight diverted to Milwaukee after a passenger allegedly made a threat. An Alaska Airlines flight returned to the gate in Miami due to disruptive passengers. The FAA has reported over 830 unruly passenger cases this year. Violators face significant civil penalties and potential criminal charges for their actions.

Flight Radar 24's flight data indicates that the service has been postponed until at least 8:48 pm.

An Alaska Airlines flight leaving from Miami International Airport was forced to delay its departure Sunday evening and enter emergency protocols after “threats” from passengers,…