YX740Republic Airways · ORD → SDF
live · 7m ago
Route confirmed Republic Airways

YX740 ChicagoORD · 16:30 LouisvilleSDF

YX740 by Republic Airways flies from Chicago (ORD) to Louisville (SDF).

Right nowNext departure Saturday Operates Mon Sat
16:30

scheduled from ORD

Typical gate push+15 minmedian posted departure

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
SDFLouisvilleOn-time likelySDF delay board →
ORD→SDFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
1.5%Chance of cancellation
+13 minAvg hub delay right now

Conditions 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Chicago to Louisville flights today

same route · Republic Airways
YX786departs 16:30
YX748departs 17:30

If YX740 is cancelled, these are the other Republic Airways 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 YX740 actually runs

Pro Flight Search has tracked every published board update for YX740 across the ORD and SDF boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed +15 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how YX740 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-21ORD 16:30 16:45 (+15)SDF

Board clocks recorded as ORD and SDF published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — YX740 Chicago to Louisville on-time performance, measured from the ORD and SDF airport boards.

Canonical URL
https://proflightsearch.com/flight/YX740
How we measure this →