AA403 ChicagoORD BuffaloBUF
AA403 by American Airlines flies from Chicago (ORD) to Buffalo (BUF).
scheduled from ORD
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by BUF (Buffalo), currently flying IFR (instrument). 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 Buffalo flights today
same route · American AirlinesIf AA403 is cancelled, these are the other American Airlines nonstop flights from Chicago to Buffalo 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 AA403 actually runs
Pro Flight Search has tracked every published board update for AA403 across the ORD and BUF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at ORD and BUF.
The verdict above is that record speaking, so it reflects how AA403 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AA403? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA403 Chicago to Buffalo on-time performance, measured from the ORD and BUF airport boards.
https://proflightsearch.com/flight/AA403
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