Profit is the spread between what something is sold for and what was paid for it, so it's not always true. One can look at what similar flights costs in Canada

Profit is the spread between what something is sold for and what was paid for it, so it's not always true. One can look at what similar flights costs in Canada and come to the obvious conclusion that air canada et al are bad at being airlines and are way overpaying for everything to drive much higher ticket prices while having better profit margins that are still terrible.