Passengers aboard Southwest flight 1496 from Burbank, California to Las Vegas, Nevada experienced a frightening few seconds when the aircraft took a sudden nosedive to avoid a midair collision shortly after takeoff.The dramatic maneuver caused passengers to fly up out of their seats and into the ceiling as children and adults screamed, fearing the worst.Two flight attendants are being treated for injuries, a Southwest Airlines spokesperson told Fox News Digital.AMERICAN AIRLINES PLANE MAKES EMERGENCY LANDING AFTER ENGINE STARTS SMOKINGCaitlin Burdi, who was on flight 1496, told Fox News Digital she had been on the same flight path before, so she