UA4589 ChicagoORD · 21:30 DaytonDAY
UA4589 by United Airlines flies from Chicago (ORD) to Dayton (DAY) for the Thu, Sep 10 departure.
en route from ORD to DAY
board checked 56m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 21:20 · typical taxi-out at ORD ≈ 7.8 min.
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 Dayton flights today
same route · United AirlinesIf UA4589 is cancelled, these are the other United Airlines nonstop flights from Chicago to Dayton 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 UA4589 actually runs
Pro Flight Search has tracked every published board update for UA4589 across the ORD and DAY boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA4589 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 DAY published them.
Planning around UA4589? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4589 Chicago to Dayton on-time performance, measured from the ORD and DAY airport boards.
https://proflightsearch.com/flight/UA4589
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