AA1861 ChicagoORD · 19:07 San DiegoSAN · 21:41
AA1861 by American Airlines flies from Chicago (ORD) to San Diego (SAN) for the Fri, Oct 30 departure.
departs ORD · on schedule
board checked 5m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions 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. 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 on this route
ForecastChicago to San Diego with American Airlines · Sat 31 Oct, local date
- Chance a departure is cancelled
- 0.8%1.8× usual
- Chance a departure leaves 60+ min late
- 14%1.1× usual
Forecast weather: 92% chance of rain at Chicago; 89% chance of rain at San Diego
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 departures a day on this route with this airline. · 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 San Diego flights today
same route · American AirlinesIf AA1861 is cancelled, these are the other American Airlines nonstop flights from Chicago to San Diego 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 AA1861 actually runs
Pro Flight Search has tracked every published board update for AA1861 across the ORD and SAN boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed -1 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA1861 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 AA1861? 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: AA1861 Chicago to San Diego on-time performance, measured from the ORD and SAN airport boards.
https://proflightsearch.com/flight/AA1861
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