Complex sentence: Pennsylvania Central Airlines Flight 410 departed Chicago, Illinois at 13:52 for Norfolk, Virginia with stops in Cleveland, Pittsburgh, and Washington DC. The flight from Chicago to Cleveland encountered a thunderstorm, and the flight from Cleveland to Pittsburgh was uneventful.
Split into simpler sentences: Pennsylvania Central Airlines Flight 410 departed Chicago at 13:52 for Norfolk with scheduled stops in Cleveland, Pittsburgh, and Washington. The aircraft encountered a thunderstorm on the leg from Chicago to Cleveland; the leg from Cleveland to Pittsburgh was uneventful.