After departing from Burbank, traffic alerts required a Southwest Airlines flight crew on a Las Vegas-bound plane to "climb and descend to comply with the alerts," according to an airline representative.

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.

A Southwest Airline jet heading to Las Vegas from Southern California took a dramatic plunge shortly after takeoff Friday in response to an alert about a nearby plane, sending some passengers flying out of their seats and injuring two flight attendants.

Passengers on a Southwest Airlines jet described a jarring drop on a flight from Hollywood Burbank Airport to Las Vegas that injured two flight attendants.

Southwest Airlines will debut its new assigned seating policy in January 2026, bringing an end to the airline's once signature process of open seating.

Dallas-based Southwest Airlines is on target to reach its financial goals after it reported higher-than-expected revenues from checked bags.

Southwest stock dropped after it reported adjusted earnings of 43 cents a share on $7.2 billion in revenue, below Wall Street’s expectations.