Passengers open Delta jet cabin door, exit via slide at LaGuardia By FOX 5 NY Staff Published An Airbus A321 from the Delta fleet. (Delta Air Lines file photo) NEW YORK - Two passengers on a Delta jet that was about to take off from New York City opened a cabin door and went down the emergency slide with a service dog on Monday morning. Delta 462, an Airbus A321, was taxiing to the runway at LaGuardia Airport in Queens for its flight to Hartsfield-Jackson Atlanta Airport when the passengers popped the door, a spokesperson for Delta told FOX 5 NY in an email.