"Demand is really, really strong," said travel agent Ken Stewart, owner of Crowfoot Travel Solutions in Calgary. Jonathan Castell/CBCWhat's happening at YYZ (Toronto)Pearson, Canada's largest airport, last summer saw overflowing baggage halls, stranded passengers, flight delays and cancellations. It expects summer passenger traffic to return to 2019 levels, when the airport saw six million travellers from June to August. The airport says it's reviewing each area of its operations and service to match summer demand, a move that followed last winter's service disruptions. Pew says she and her husband have simply adopted a fatalistic approach to travel — expecting something will go wrong on every travel day.