Are you looking for the June 4th, 2026 UA 4400 Columbia to Chicago flight? Click here to go to our UA4400 Columbia to Chicago Flight Status page >

UA 4400 Chicago to Louisville Flight Status

United Airlines Flight UA4400 from Chicago O'Hare International Airport ORD to Louisville International Airport SDF is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 4th, 2026.
Check the table below for UA4400's most recent flight history:

UA 4400 Flight Status & Schedule

Date Departure Arrival Status
Jan 04 08:40 10:27
Landed Late
Track >
Jan 03 07:49 09:36
Landed
Track >
Jan 02 10:11 10:03
Unknown
Track >
Dec 31 08:13 10:00
Landed
Track >
Dec 30 07:59 09:47
Landed
Track >

United Airlines UA 4400 Chicago to Louisville Flight Information

United Airlines Flight UA4400 connects Chicago, United States to Louisville, United States, taking off from Chicago O'Hare International Airport ORD and landing at Louisville International Airport SDF.

How long is the UA4400 flight from Chicago to Louisville?

The average flight time from Chicago to Louisville is 48 minutes. The flight distance is 461 km / 287 miles and the average flight speed is 516 km/h / 321 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4400 Chicago to Louisville?

The Airportia On-Time Performance Rating for United Airlines Flight UA4400 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4400 flight?

The latest flight took off on Sunday, January 4th, 2026 with the flight status being Landed on 10:27.

How else can the flight UA4400 be referenced as?

This United Airlines flight can also be referenced as UAL4400, UA 4400, UAL 4400.

How often is flight UA4400 delayed?

On average, 40% of all UA4400 flights are delayed. The average delay is 18 minutes.

Can I get compensation for my delayed or cancelled UA4400 flight or baggage issues?

If your UA4400 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA4400 Flight Tracker above for more details.

UA4400 and Chicago ORD to Louisville SDF Flights

Flight UA4400 is code-shared by 1 airline using the flight number AC3512

Other flights departing from Chicago ORD: AA4458, UA745, UA4606, OO5767

Other flights arriving at Louisville SDF: DL1119, AA5634, AA3137, WN4291

All flights connecting Chicago ORD to Louisville SDF.

UA4400 United Airlines Flight: Chicago to Louisville Route Map

UA4400 United Airlines Flight Map: Chicago to Louisville
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.