Direct flights from Toronto (YYZ) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. 64% of the last 14 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. 2 of the 14 tracked flights were cancelled. The nonstop covers 1,052 km, an estimated 1 hour 51 minutes in the air. Measured by Pro Flight Search from live flight boards at Toronto and St Louis. Updated 17 October 2026 at 11:18 UTC.
of the last 14 operated YYZ → STL flights arrived within 15 minutes
Median arrival delay is −1 min. 2 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at YYZ and STL: 44% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Toronto to St Louis route actually runs
Pro Flight Search records official board updates for nonstop YYZ to STL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Toronto (YYZ) to St Louis (STL) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/YYZ-STL
YYZ to STL questions
Is YYZ–STL running on time right now?
Smooth skies ahead. The arrival side at STL is the weaker end, route health score 84/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on YYZ–STL?
Operators schedule evening departures around 19:15 from YYZ. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.
How long is the flight from YYZ to STL?
Great-circle distance is 1,052 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 104–120 min gate-to-gate on this route.
How often does YYZ–STL fly?
Air Canada runs the route with about 13 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.