Passengers aboard a Southwest Airline jet that took a dramatic plunge to avoid an oncoming aircraft were told by the pilot that they nearly struck another plane before landing safely in Las Vegas.

Two Southwest Airlines flight attendants are being treated for injuries after a passenger jet heading to Las Vegas from Southern California took a dramatic plunge shortly after takeoff Friday, the air...

Passengers describe a harrowing scene on board, flying out of their seats.

Two flight attendants on a Southwest Airlines Co. jet were injured Friday after the pilot had to maneuver sharply in response to alerts that another aircraft was in the vicinity.

One person was taken to a hospital Saturday afternoon after an equipment problem on an American Airlines flight at Denver International Airport forced passengers and crew to evacuate onto the runway....

The Federal Aviation Administration said the flight, Southwest 1496, was responding to an on board alert about another aircraft in its vicinity.