UA4178 MadisonMSN ChicagoORD · 14:19
UA4178 by United Airlines flies from Madison (MSN) to Chicago (ORD) for the Tue, Sep 8 departure.
arrival expected at ORD · on schedule
board checked 52m ago · checking again in 45s
Where the minutes go
last 6 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 +18 min · 0 cancelled · 6 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA4178 actually runs
Pro Flight Search has tracked every published board update for UA4178 across the MSN and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min late. Based on 6 confirmed landings · 3/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA4178 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 MSN and ORD published them.
Planning around UA4178? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4178 Madison to Chicago on-time performance, measured from the MSN and ORD airport boards.
https://proflightsearch.com/flight/UA4178
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