According to Airline Route Updates, United Airlines is cutting it’s service between Ottawa and Denver and has made modifications to its schedule for service to a few other Canadian cities:
Chicago – Calgary 1 of 3 Daily Service continues to operate by UNITED Mainline in W10
Denver – Calgary 5 Daily UNITED Express Service (compared to Mixed Mainline/Express in W09)
Denver – Ottawa Service canceled, not resuming in Winter 2010
Denver – Vancouver 04NOV10 – 15DEC10 3 Daily service CRJ700 replace Mainline
Los Angeles – Vancouver 31OCT10 – 31DEC10 2 Daily UNITED Express Service (compared to 3 in W09)
Washington Dulles – Halifax 04NOV10 – 17FEB11 Service Temporary Canceled