5X603 ChicagoORD · 21:23 LouisvilleSDF
5X603 by UPS Airlines flies from Chicago (ORD) to Louisville (SDF).
scheduled from ORD
Where the minutes go
last 7 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 · 11 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and SDF 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 Chicago to Louisville flights today
same route · UPS AirlinesIf 5X603 is cancelled, these are the other UPS Airlines nonstop flights from Chicago to Louisville 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 5X603 actually runs
Pro Flight Search has tracked every published board update for 5X603 across the ORD and SDF boards: schedule changes, gate pushes and actual clocks. Usually departs ~51 min late. Based on 11 confirmed departures · 2/11 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how 5X603 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 SDF published them.
Planning around 5X603? 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 — 5X603 Chicago to Louisville on-time performance, measured from the ORD and SDF airport boards.
https://proflightsearch.com/flight/5X603
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