Just before Senator Bishop is replaced by a Traveler, his US Flag badge is pinned through the button hole on his left lapel, as is conventional. However, in the next few shots it is on his right lapel, as is the button hole and the US national flag is back to front, indicating the the shot has been flipped left to right.
When Jeff Sr is sitting in his squad car looking at MacLaren's ID documents, one document shows MacLaren's date of birth as July 26th 1967. A few seconds later, he's looking at a different MacLaren ID document that clearly shows July 21 and an illegible year.
When Carly looks up MacLaren's flight, the computer screen shows it departing at 1:33 p.m. PST and arriving at Washington D.C. at 3:27 p.m EST., with a total flight time of 4 hours 55 minutes. However, Washington is three hours *ahead* of Seattle, so a 5-hour flight departing at 1:30 would arrive around *9:30* Eastern time.