Pearson Airport’s live stats reveal 15 % arrival delays amid peak-summer surge

Toronto Pearson International Airport—the country’s primary inter­national gateway—released its latest 24-hour operations dashboard at 13:55 EDT on 19 July 2026, showing that only 81 % of the 555 arriving flights were on time, with 15 % delayed and 4 % cancelled. Departures fared slightly better at a 90 % on-time performance, yet the figures remain well below the 94 % five-year July average. Drivers of disruption: • Weather: Saturday’s severe thunderstorms triggered two lightning-hold periods that paused ramp activity for a combined 47 minutes. • Staffing: Ground-handler Swissport acknowledged “higher-than-usual” sick-leave calls following extended shifts during the storm. • Runway works: Night-time resurfacing on Runway 06L/24R compressed morning arrival slots, creating a knock-on effect through midday. Business-traveller guidance: The Greater Toronto Airports Authority (GTAA) advises passengers to use the Advance Declaration feature in the ArriveCAN mobile app to shave up to 30 % off primary-inspection processing time and to pre-book parking or ride-share pickups, noting that curb-side congestion peaks 40 minutes after each thunderstorm-related ground stop. Why it matters for mobility managers: Pearson handles over 30 % of Canada’s total business-travel volume. Elevated delay ratios translate directly into higher duty-of-care costs—missed connections, hotel vouchers and per-diem extensions. Corporates with high-frequency shuttles between Toronto and Montreal or New York should consider bilaterally flexible tickets allowing same-day routing via Billy Bishop (YTZ) or Buffalo (BUF) when Pearson’s delay index exceeds 12 %. Next steps: The GTAA expects on-time performance to stabilise once the cold front passes and runway works move to overnight windows next week. Travellers for early-week departures should still build extra connection buffers and monitor gtairport.com/live-stats before heading to the airport.