AC1734Air Canada · IAH → YYZ
live · 58m ago
Route confirmed Air Canada

AC1734 HoustonIAH TorontoYYZ

AC1734 by Air Canada flies from Houston (IAH) to Toronto (YYZ).

Right nowNext departure tomorrow Operates daily
12:00

scheduled from IAH

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
YYZTorontoOn-time likelyYYZ delay board →
IAH→YYZevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
30%Chance of 15+ min delay
3.5%Chance of cancellation
+4 minTypical airport delay in this weather

Conditions at IAH 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 at Houston

Forecast

Thu 12 Nov, local date

High26°Clikely 24°C to 27°C
Low14°Clikely 13°C to 15°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Toronto

Forecast

Thu 12 Nov, local date

High8°Clikely 7°C to 9°C
Low3°Clikely 1°C to 5°C
  • 95% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Houston to Toronto flights today

same route · Air Canada
AC590departs 07:20
AC592departs 11:55
AC1736departs 12:00
AC594departs 15:30

If AC1734 is cancelled, these are the other Air Canada nonstop flights from Houston to Toronto on the same day, with scheduled departure times in IAH 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 AC1734 actually runs

Pro Flight Search has tracked every published board update for AC1734 across the IAH and YYZ boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at IAH and YYZ.

The verdict above is that record speaking, so it reflects how AC1734 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AC1734? 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: AC1734 Houston to Toronto on-time performance, measured from the IAH and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/AC1734
How we measure this →