Canadian carrier WestJet yesterday (14AUG17) announced new service launch in Spring 2018, as the airline schedules Calgary – Denver route. From 08MAR18, this route will be served once a day, with 737-700 aircraft.
WS1570 YYC1010 – 1226DEN 73W D
WS1571 DEN1315 – 1546YYC 73W D
Boeing 737-600 is currently scheduled to operate on 16APR18, instead of -700.