UA8256United Airlines · ORD → YYC
live · 38m ago
Route confirmed United Airlines

UA8256 ChicagoORD · 22:40 CalgaryYYC

UA8256 by United Airlines flies from Chicago (ORD) to Calgary (YYC).

Right nowNext departure today Operates daily
22:40

scheduled from ORD

Typical gate push+157 minmedian posted departure

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
YYCCalgaryOn-time likelyYYC delay board →
ORD→YYCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
5.8%Chance of cancellation
+17 minAvg hub delay right now

Conditions at ORD and YYC are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →

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 Calgary flights today

same route · United Airlines
UA764departs 08:40
UA1156departs 19:45
UA8126departs 19:46
UA8103departs 20:13
UA8131departs 20:20

If UA8256 is cancelled, these are the other United Airlines nonstop flights from Chicago to Calgary on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA8256 actually runs

Pro Flight Search has tracked every published board update for UA8256 across the ORD and YYC boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed +157 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA8256 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
08-09ORD 22:40 01:17 (+157)YYC

Board clocks recorded as ORD and YYC published them.

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 — UA8256 Chicago to Calgary on-time performance, measured from the ORD and YYC airport boards.

Canonical URL
https://proflightsearch.com/flight/UA8256
How we measure this →