UA660 ChicagoORD · 08:50 San DiegoSAN · 11:25
UA660 by United Airlines flies from Chicago (ORD) to San Diego (SAN) for the Tue, Sep 8 departure.
landed at SAN · confirmed by live position
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
Early read, sample still buildingConditions at ORD and SAN 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 San Diego flights today
same route · United AirlinesIf UA660 is cancelled, these are the other United Airlines nonstop flights from Chicago to San Diego 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 UA660 actually runs
Pro Flight Search has tracked every published board update for UA660 across the ORD and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 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 UA660 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 SAN published them.
Planning around UA660? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA660 Chicago to San Diego on-time performance, measured from the ORD and SAN airport boards.
https://proflightsearch.com/flight/UA660
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