Air Canada will launch daily Ottawa-Frankfurt service June 1 aboard a 767-300. Lufthansa will codeshare. AC will place its code on LH's six-times-weekly Toronto-Dusseldorf service scheduled to operate May 1 to October aboard an A340-300 and LH's second daily Calgary-Frankfurt flight launching April 14 aboard an A330-300. AC also will transition its daily Montreal-FRA to a 777-300ER from an A330-300 on April 1. Atwonline