By Ann Hornaday, The Washington Post After a summer of bombast and belly-flops, the fall season gets off to a refreshingly sure-footed start with “Sully,” a four-square, upstanding, rock-solid example of filmmaking at it most direct and honestly affecting. Tom Hanks plays Chesley “Sully” Sullenberger, the U.S. Airways pilot who landed a plane bound from LaGuardia Airport to Charlotte on the Hudson River in 2009, after his craft was struck by a flock of Canada geese.