Canada’s two main airlines continue to slash their schedules and demand that Ottawa roll back COVID-19 travel restrictions to staunch the cash bleed—though experts see glimmers of hope on the horizon. WestJet Airlines Ltd. has cancelled 20 percent of its flights in March, extending schedule cuts from February amid ongoing uncertainty that continues to drain demand. Interim CEO Harry Taylor said travel advisories and testing requirements were meant to be temporary, but that after two years the industry crisis has come to a head. “It is disappointing that Canada remains stagnant in its approach and continues to make travel inaccessible and punitive for Canadians and inbound tourists,” he said Monday. Echoing demands from Air Canada and Toronto’s Pearson airport last month, WestJet called for randomized testing upon arrival only, rather than mandatory molecular testing before takeoff and after landing for fully vaccinated international passengers. The Calgary-based company also wants an …