What movie has the line and we're walking and were walking?

The movie with the line "and we're walking, and we're walking" is "Planes, Trains, and Automobiles," a 1987 comedy film starring Steve Martin and John Candy. The line is delivered by Steve Martin's character, Neal Page, as he and Del Griffith, played by John Candy, are trying to make their way home for Thanksgiving. The line has become iconic and is often quoted in reference to the film.