During the 18th minute with Robert at the bar in the strip club, as he responds to Tommy's associate, his glass goes from being almost full to empty between scenes. The side shots show his glass nearly empty but in the front on shots, especially when he raises his glass - it is clearly full.
At around the 41 minute mark the length of Robert's cigarette changes.
The helicopter and fixed wing departing from Canadian airports have 'N' tail numbers and Canadian tail numbers begin with 'C'
About 23:40 into the movie when Robert is checking the newspaper, you can read the first 2 lines with real text about Gilbert escaping prison, and the next paragraph is the common "lorem ipsum" filler.
When Robert (Josh Duhamel) and Andrea (Elisha Cuthbert) enter the hospital to deliver their baby, in Ottawa, there is a US "no weapons" symbol on the door.