UA3615United Airlines · ORD → YYZ
live · 33m ago
Route confirmed United Airlines

UA3615 ChicagoORD TorontoYYZ

UA3615 by United Airlines flies from Chicago (ORD) to Toronto (YYZ).

Right nowNext departure tomorrow Operates daily
19:47

scheduled from ORD

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
YYZTorontoOn-time likelyYYZ delay board →
ORD→YYZevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
4.1%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at ORD 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

Chicago to Toronto with United Airlines · Sat 31 Oct, local date

Outlook: below usual
Chance a departure is cancelled
0.6%0.5× usual
Chance a departure leaves 60+ min late
7.9%0.7× usual

Forecast weather: 78% chance of rain at Chicago

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 7 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 Chicago to Toronto flights today

same route · United Airlines
UA1708departs 07:03
UA2002departs 07:09
UA6488departs 08:06
UA3601departs 08:50
UA5740departs 10:43
UA3674departs 11:05

If UA3615 is cancelled, these are the other United Airlines nonstop flights from Chicago to Toronto on the same day, with scheduled departure times in ORD 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 UA3615 actually runs

Pro Flight Search has tracked every published board update for UA3615 across the ORD 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 ORD and YYZ.

The verdict above is that record speaking, so it reflects how UA3615 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: UA3615 Chicago to Toronto on-time performance, measured from the ORD and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3615
How we measure this →