AC1543Air Canada · IAD → YYZ
live · 3h ago
Route confirmed Air Canada

AC1543 WashingtonIAD TorontoYYZ

AC1543 by Air Canada flies from Washington (IAD) to Toronto (YYZ).

Right nowNext departure tomorrow Operates daily
16:20

scheduled from IAD

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
YYZTorontoOn-time likelyYYZ delay board →
IAD→YYZevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
5.8%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at IAD and YYZ are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow on this route

Forecast

Washington to Toronto with Air Canada · Sat 31 Oct, local date

Outlook: below usual
Chance a departure is cancelled
2.5%0.8× usual
Chance a departure leaves 60+ min late
4.8%0.5× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Washington to Toronto flights today

same route · Air Canada
AC8615departs 09:55
AC8617departs 09:55
AC617departs 12:46
AC8619departs 16:00
AC619departs 16:36
AC7031departs 23:57

If AC1543 is cancelled, these are the other Air Canada nonstop flights from Washington to Toronto on the same day, with scheduled departure times in IAD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How AC1543 actually runs

Pro Flight Search has tracked every published board update for AC1543 across the IAD and YYZ boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at IAD and YYZ.

The verdict above is that record speaking, so it reflects how AC1543 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AC1543? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: AC1543 Washington to Toronto on-time performance, measured from the IAD and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/AC1543
How we measure this →