Just in time for summer travel, Air Canada is ramping up its Mexico routes, with more flights to some beloved destinations.Air Canada is set to expand its Mexico presence and is even adding a new route this summer. According to a Feb. 17 news release, the airline is set to launch year-round flights from Montreal to Guadalajara and increase seat capacity with more flights to Cancún, Monterrey, Mexico City, and Puerto Vallarta, four "in-demand destinations."Starting this summer, the Toronto to Monterrey route will include one additional flight, which will see capacity increase from three to four weekly flights.Travellers from Vancouver will also have more options as the airline is adding one more flight to Puerto Vallarta (to a total of two weekly flights), and an impressive four additional flights to Mexico City, for a total of 11 weekly flights starting June 27.Montreal will also get four additional flights to Cancún, which brings the total to 11 weekly flights....