For Delta, International pay does not include Canada.

“International operation” means a flight segment to or from an airport, or between airports, located outside the contiguous 48 states of the United States.
Exception: A flight segment to or from an airport located in Canada or Alaska will not be considered an international operation.

International pay is:

Captain $5.20
First Officer $3.90

Effective 1/1/2010:

Captain $6.00
First Officer $4.00