The flight, DL43, which took off shortly after 9:00 p.m., returned to LAX around 30 minutes later, according to data from FlightAware. The Airbus A350-900 aircraft landed safely and the plane proceeded to an arrival gate,

In audio of an exchange between the flightdeck and air traffic controllers, one of the pilots can be heard asking for fire trucks on landing.

A Delta flight from Atlanta to Columbia, South Carolina, had to turn around when a smoky haze filled the flight deck.