Originally Posted by
JJeffrey
YYC has Pre-Clearance so you will clear immigration and customs before the YYC-DFW flight. You'll land in DFW like any other domestic flight, get off the plane and walk to the next gate, so 1 hour is no problem.
A related question, this time YYC-DFW-LHR, in the case of transferring terminals, I presume we have to reclear security? Is there a fast-track line?