UA1023 DenverDEN · 14:49 ChicagoORD · 18:30
UA1023 by United Airlines flies from Denver (DEN) to Chicago (ORD) for the Fri, Oct 23 departure.
departs DEN · on schedule
board checked 3m ago · checking again in 45s
Where the minutes go
last 3 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
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ORD (Chicago), currently flying MVFR (marginal visual). 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 Denver to Chicago flights today
same route · United AirlinesIf UA1023 is cancelled, these are the other United Airlines nonstop flights from Denver to Chicago on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1023 actually runs
Pro Flight Search has tracked every published board update for UA1023 across the DEN and ORD boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +20 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1023 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: N39415, N53442, N37538.
Board clocks recorded as DEN and ORD published them.
Planning around UA1023? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA1023 Denver to Chicago on-time performance, measured from the DEN and ORD airport boards.
https://proflightsearch.com/flight/UA1023
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