While on the plane in first class, Kyle takes the napkin and drink twice.
When the driver throws the keys out the window, they're stopped on a highway. When the train hits the car, they are at a railway crossing, yet they did not find the missing keys.
During the ending at the airport, the two brothers are giving each other honis and there is a jump cut. It does not seem to be a jump cut for time, so the people going in and out of the airport in the background appear and disappear between the two shots.
When they all leave Terry Bradshaw Motors, Terry introduces his blue Corvette as a 1975, which it was not. The body style used in the movie was produced only from 1980 through 1982, much later than he had stated. Rear glass panel, grille, tail and molded spoilers are key. Wheel design was first introduced in 1978.
Terry Bradshaw not gave up he's starting job to Joe Gilliam. Bradshaw temporarily lost the starting job to Joe Gilliam in 1974, but he took over again during the regular season.
Terry Bradshaw tells Peter that he has a son. Bradshaw has two daughters, but no sons.
Before picking up the black hitch hiker, Kyle claims there are no black serial killers. Clearly he was unaware of Anthony Sowell, the "Cleveland Strangler", a black man who is on death row in Ohio for the murders of 11 women over a two year span from 2007-2009.
The camera and its crane are reflected on the car during the first road trip.