UA3304United Airlines · ORD → SDF
live · 3m ago
Route confirmed United Airlines

UA3304 ChicagoORD LouisvilleSDF

UA3304 by United Airlines flies from Chicago (ORD) to Louisville (SDF).

Right nowNext departure today Operates Mon Thu Fri
14:40

scheduled from ORD

The route today

live boards
ORDChicagoModerate riskORD delay board →
SDFLouisvilleHigh riskSDF delay board →
ORD→SDFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
1.1%Chance of cancellation
+4 minTypical airport delay in this weather

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. These figures come from both airports' records 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 →

Tomorrow at ORD

Forecast

Sat 14 Nov, local date

High8°Clikely 6°C to 9°C
Low0°Clikely −2°C to 3°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Louisville

Forecast

Sat 14 Nov, local date

High10°Clikely 8°C to 11°C
Low2°Clikely 0°C to 4°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 · United Airlines
UA3477departs 06:59
UA5951departs 06:59
UA5473departs 10:35
UA5411departs 11:04
UA3534departs 14:30
UA5838departs 14:30

If UA3304 is cancelled, these are the other United Airlines nonstop flights from Chicago to Louisville on the same day, with scheduled departure times in ORD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA3304 actually runs

Pro Flight Search has tracked every published board update for UA3304 across the ORD and SDF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 47.5/100. Based on airport operations, weather, and cached board history at ORD and SDF.

The verdict above is that record speaking, so it reflects how UA3304 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: UA3304 Chicago to Louisville on-time performance, measured from the ORD and SDF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3304
How we measure this →