| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | SDF | ORD | 18:30 | 18:42 |
Landed
|
Track > |
| Jan 04 | SDF | ORD | 18:21 | 18:25 |
Landed
|
Track > |
| Jan 03 | SDF | ORD | 19:58 | 19:55 |
Delayed
|
Track > |
| Jan 02 | SDF | ORD | 18:11 | 18:12 |
Landed
|
Track > |
| Jan 01 | SDF | ORD | 18:38 | 18:49 |
Landed
|
Track > |
| Dec 30 | SDF | ORD | 20:51 | 18:54 |
Unknown
|
Track > |
| Dec 29 | SDF | ORD | 20:36 | 20:37 |
Delayed
|
Track > |
| Dec 28 | SDF | ORD | 20:51 | 18:54 |
Unknown
|
Track > |
| Dec 27 | SDF | ORD | 20:07 | 19:57 |
Delayed
|
Track > |
| Dec 26 | SDF | ORD | 18:36 | 18:41 |
Landed
|
Track > |
United Airlines Flight UA4451 connects Louisville, United States to Chicago, United States, taking off from Louisville International Airport SDF and landing at Chicago O'Hare International Airport ORD.
How long is the UA4451 flight from Louisville to Chicago?
The average flight time from Louisville to Chicago is 1 hour and 2 minutes. The flight distance is 461 km / 287 miles and the average flight speed is 412 km/h / 256 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4451 Louisville to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4451 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4451 arriving at?
Flight UA4451 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA4451 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 18:42.
How else can the flight UA4451 be referenced as?
This United Airlines flight can also be referenced as UAL4451, UA 4451, UAL 4451.
How often is flight UA4451 delayed?
On average, 30% of all UA4451 flights are delayed. The average delay is 75 minutes.
Can I get compensation for my delayed or cancelled UA4451 flight or baggage issues?
If your UA4451 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 UA4451 Flight Tracker above for more details.
Flight UA4451 is code-shared by 3 airlines using the flight numbers AC3670, LH7927, NZ2870
Other flights departing from Louisville SDF: AA4428, WN1703, AA3234, G41380
Other flights arriving at Chicago ORD: UA4419, UA5753, UA4581, UA4707
All flights connecting Louisville SDF to Chicago ORD.
