Alarms sounded in the cockpit of a Southwest Airlines jet shortly after taking off from Hollywood Burbank airport near Los Angeles on Friday, prompting evasive maneuvers, the airline said in a statement.

The Southwest Boeing 737 departed just before noon local time on Friday for a scheduled flight to Las Vegas. Six minutes after takeoff, a privately owned Hawker Hunter fighter jet crossed less than two miles in front of the Southwest plane, passing within a few hundred feet of the same altitude, according to flight tracking site Flightradar24.

Southwest Airlines' CEO told investors in a July 24 earnings call that the airline could eventually open its own lounges.

Earlier this year, Southwest Airlines announced several major policy changes in an attempt to boost the airline's slumping profits. This was highlighted by the decision to begin charging for checked bags,

Southwest Airlines has announced a major change coming to its current seating system. The Texas-based airline previously had a “pick any seat” policy, allowing customers to purchase tickets in different boarding groups by selecting where they wanted to sit upon boarding the plane.

The passenger jet was responding to an alert of another aircraft in the vicinity, federal authorities said. A Cold War-era military plane was nearby at the time.