UA4546 BirminghamBHM ChicagoORD
UA4546 by United Airlines flies from Birmingham (BHM) to Chicago (ORD).
scheduled from BHM
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BHM and ORD 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 Birmingham to Chicago flights today
same route · United AirlinesIf UA4546 is cancelled, these are the other United Airlines nonstop flights from Birmingham to Chicago on the same day, with scheduled departure times in BHM local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4546 actually runs
Pro Flight Search has tracked every published board update for UA4546 across the BHM and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at BHM and ORD.
The verdict above is that record speaking, so it reflects how UA4546 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA4546? 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 — UA4546 Birmingham to Chicago on-time performance, measured from the BHM and ORD airport boards.
https://proflightsearch.com/flight/UA4546
.