The plane abruptly descended 475 feet to avoid a collision with a Hawker Hunter aircraft, ABC News reported. About six minutes after Southwest flight 1496 took off from Hollywood Burbank Airport, it abruptly descended from 14,100 feet to 13,625 feet. The flight was bound for Las Vegas.

Two Southwest Airlines flight attendants are being treated for injuries after crew members received two onboard traffic alerts that forced the plane to descend.

Passengers said the pilot of a Southwest Airlines flight had to "dive aggressively" in order to avoid a midair collision over Burbank.