WestJet announces winter services from Calgary to:
-Panama City 4x weekly
-Guadalajara 2x weekly
-Tepic 1x weekly
Mexico City also goes year-round and operated 4x weekly over the winter.
https://www.westjet.com/en-ca/news/2...re-sun-destina
I believe the Panama City flight will be the longest route WS will operate with the 737, a little farther than the current Iceland flight.