UA4173 DaytonDAY ChicagoORD · 14:55
UA4173 by United Airlines flies from Dayton (DAY) to Chicago (ORD) for the Tue, Aug 18 departure.
arrived at ORD · 22 min early
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 +9 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 UA4173 actually runs
Pro Flight Search has tracked every published board update for UA4173 across the DAY and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min late. Based on 6 confirmed landings · 4/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA4173 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 DAY and ORD published them.
Planning around UA4173? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4173 Dayton to Chicago on-time performance, measured from the DAY and ORD airport boards.
https://proflightsearch.com/flight/UA4173
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