AA3521 Bloomington/NormalBMI ChicagoORD · 06:05
AA3521 by American Airlines flies from Bloomington/Normal (BMI) to Chicago (ORD) for the Tue, Sep 22 departure.
arrived at ORD · 4 min early
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −8 min · 0 cancelled · 14 operations tracked
The route today
live boardsHow AA3521 actually runs
Pro Flight Search has tracked every published board update for AA3521 across the BMI and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 14 confirmed landings · 11/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA3521 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 BMI and ORD published them.
Planning around AA3521? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA3521 Bloomington/Normal to Chicago on-time performance, measured from the BMI and ORD airport boards.
https://proflightsearch.com/flight/AA3521
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