UA5603 ChicagoORD · 21:30 FlintFNT
UA5603 by United Airlines flies from Chicago (ORD) to Flint (FNT) for the Sat, Sep 19 departure.
departs ORD · on schedule
board checked 11m ago · checking again in 45s
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Chicago to Flint flights today
same route · United AirlinesIf UA5603 is cancelled, these are the other United Airlines nonstop flights from Chicago to Flint 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 UA5603 actually runs
Pro Flight Search has tracked every published board update for UA5603 across the ORD and FNT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +79 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA5603 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 FNT published them.
Planning around UA5603? 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 — UA5603 Chicago to Flint on-time performance, measured from the ORD and FNT airport boards.
https://proflightsearch.com/flight/UA5603
.