AC523Air Canada · YUL → ORD
live · 19m ago
Route confirmed Air Canada

AC523 MontréalYUL ChicagoORD

AC523 by Air Canada flies from Montréal (YUL) to Chicago (ORD).

Right nowNext departure today Operates daily
13:15

scheduled from YUL

The route today

live boards
YULMontréalOn-time likelyYUL delay board →
ORDChicagoOn-time likelyORD delay board →
YUL→ORDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
4.9%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at YUL and ORD 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 Chicago

Forecast

Sun 1 Nov, local date

High19°Clikely 17°C to 21°C
Low12°Clikely 10°C to 13°C
Outlook: below usual
Chance a departure is cancelled
0.5%usually 0.7%
Chance a departure leaves 60+ min late
9.3%usually 12%

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 1,360 departures a day. · 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 Montréal to Chicago flights today

same route · Air Canada
AC521departs 08:35
AC8477departs 08:40
AC7330departs 09:30
AC8481departs 13:10
AC8483departs 18:10
AC525departs 18:30

If AC523 is cancelled, these are the other Air Canada nonstop flights from Montréal to Chicago on the same day, with scheduled departure times in YUL 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 AC523 actually runs

Pro Flight Search has tracked every published board update for AC523 across the YUL and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at YUL and ORD.

The verdict above is that record speaking, so it reflects how AC523 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: AC523 Montréal to Chicago on-time performance, measured from the YUL and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/AC523
How we measure this →