Swiss Air flight aborts takeoff from JFK, safely leaves minutes later... A Swiss Air flight traveling from New York City to Zurich last week had to abort takeoff, averting a "potentially dangerous situation," the airline confirmed. Flight LX17 from John F. Kennedy Airport left the gate at 4:21 p.m. April 17, according to FlightAware. The aircraft was cleared for takeoff at the same time an air traffic controller on another frequency cleared four other jets to cross the runway, according to audio obtained by NPR. "Due to the high level of situational awareness and quick reaction of our crew, a...