Billy Bishop Toronto City Airport (YTZ) is famous for its efficiency and proximity to downtown, but you should still plan your arrival based on your destination and baggage status. For domestic flights within Canada, arriving 60 to 90 minutes before departure is generally sufficient. For transborder flights to the USA, you should arrive at least 120 minutes (2 hours) early, as you must clear security and factor in the time for "Porter Reserve" or standard boarding protocols. While the airport is small, the journey to the terminal requires either a quick ferry ride (every 15 minutes) or a walk through the pedestrian tunnel, which can add 10-15 minutes to your transit. In 2026, YTZ remains a favorite for business travelers because of its fast security lines; however, peak morning and evening periods can see bottlenecks. If you are checking bags, remember that the cutoff is typically 45 minutes for domestic and 60 minutes for international. By arriving within these windows, you'll have plenty of time to enjoy the complimentary lounge snacks (if flying Porter) and the spectacular views of the Toronto skyline without the frantic "sprint" common at larger hubs like Pearson International.