UA451 ChicagoORD · 06:59 ColumbusCMH · 09:29
UA451 by United Airlines flies from Chicago (ORD) to Columbus (CMH) for the Sat, Sep 12 departure.
en route from ORD to CMH
board checked 13m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 06:52 · typical taxi-out at ORD ≈ 7.7 min.
Where the minutes go
last 7 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 +12 min · 0 cancelled · 9 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and CMH 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 Chicago to Columbus flights today
same route · United AirlinesIf UA451 is cancelled, these are the other United Airlines nonstop flights from Chicago to Columbus 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 UA451 actually runs
Pro Flight Search has tracked every published board update for UA451 across the ORD and CMH boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min late. Based on 1 confirmed landing · 1/1 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA451 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 CMH published them.
Planning around UA451? 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 — UA451 Chicago to Columbus on-time performance, measured from the ORD and CMH airport boards.
https://proflightsearch.com/flight/UA451
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