UA660 ChicagoORD · 08:50 Los AngelesLAX · 11:27
UA660 by United Airlines flies from Chicago (ORD) to Los Angeles (LAX) for the Sat, Nov 7 departure.
Same number through ORD → SAN → LAX
en route from ORD to LAX
board checked 46m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 08:47 · typical taxi-out at ORD ≈ 8.4 min. No receiver coverage over open ocean.
Where the minutes go
last 5 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 operation0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and LAX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →
Tomorrow at Chicago
ForecastSun 8 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at San Diego
ForecastSun 8 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Chicago to Los Angeles flights today
same route · United AirlinesIf UA660 is cancelled, these are the other United Airlines nonstop flights from Chicago to Los Angeles on the same day, with scheduled departure times in ORD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How UA660 actually runs
Pro Flight Search has tracked every published board update for UA660 across the ORD and LAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 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 operationAircraft
Recent tails: N14534.
Board clocks recorded as ORD and LAX published them.
Planning around UA660? 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: UA660 Chicago to Los Angeles on-time performance, measured from the ORD and LAX airport boards.
https://proflightsearch.com/flight/UA660
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