Complex sentence: Based in Toronto, Tango operated on the major longer-distance Canadian routes between cities such as Toronto, Ottawa, Montreal, Calgary and Vancouver, as well as to some holiday destinations in the USA such as Fort Lauderdale and Tampa.
Split into simpler sentences: Based in Toronto, Tango flew on the major longer-distance Canadian routes between cities such as Toronto, Ottawa, Montreal, Calgary and Vancouver. It also flew to some holiday destinations in the USA such as Fort Lauderdale and Tampa.