AA4156 ChicagoORD · 13:29 Green BayGRB
AA4156 by American Airlines flies from Chicago (ORD) to Green Bay (GRB) for the Tue, Aug 18 departure.
departs ORD · on schedule
board checked 8m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Chicago to Green Bay flights today
same route · American AirlinesIf AA4156 is cancelled, these are the other American Airlines nonstop flights from Chicago to Green Bay 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 AA4156 actually runs
Pro Flight Search has tracked every published board update for AA4156 across the ORD and GRB boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA4156 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as ORD and GRB published them.
Planning around AA4156? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4156 Chicago to Green Bay on-time performance, measured from the ORD and GRB airport boards.
https://proflightsearch.com/flight/AA4156
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