UA4177 ChattanoogaCHA ChicagoORD · 20:19
UA4177 by United Airlines flies from Chattanooga (CHA) to Chicago (ORD).
scheduled from CHA
The route today
live boardsTomorrow at Chicago
ForecastFri 6 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA4177 actually runs
Pro Flight Search has tracked every published board update for UA4177 across the CHA and ORD boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +2 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4177 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 CHA and ORD published them.
Planning around UA4177? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: UA4177 Chattanooga to Chicago on-time performance, measured from the CHA and ORD airport boards.
https://proflightsearch.com/flight/UA4177
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