UA456 AustinAUS · 13:04 ChicagoORD · 15:55
UA456 by United Airlines flies from Austin (AUS) to Chicago (ORD) for the Wed, Sep 9 departure.
departs AUS · on schedule
board checked 19m ago · checking again in 45s
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 boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at AUS and ORD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Austin to Chicago flights today
same route · United AirlinesIf UA456 is cancelled, these are the other United Airlines nonstop flights from Austin to Chicago on the same day, with scheduled departure times in AUS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA456 actually runs
Pro Flight Search has tracked every published board update for UA456 across the AUS and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how UA456 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N68836, N69838, N39418, N37554.
Board clocks recorded as AUS and ORD published them.
Planning around UA456? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA456 Austin to Chicago on-time performance, measured from the AUS and ORD airport boards.
https://proflightsearch.com/flight/UA456
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