| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | SDF | ORD | 19:19 | 19:23 |
Landed
|
Track > |
| Oct 24 | SDF | ORD | 19:27 | 19:28 |
Landed
|
Track > |
| Oct 23 | SDF | ORD | 19:21 | 19:16 |
Landed
|
Track > |
| Oct 22 | SDF | ORD | 19:44 | 19:42 |
Landed
|
Track > |
| Oct 21 | SDF | ORD | 20:39 | 20:45 |
Landed Late
|
Track > |
| Oct 20 | SDF | ORD | 19:53 | 19:58 |
Landed
|
Track > |
| Oct 18 | SDF | ORD | 22:00 | 20:09 |
Unknown
|
Track > |
| Oct 17 | SDF | ORD | 19:31 | 19:31 |
Landed
|
Track > |
| Oct 16 | SDF | ORD | 19:27 | 19:32 |
Landed
|
Track > |
| Oct 15 | SDF | ORD | 19:25 | 19:28 |
Landed
|
Track > |
United Airlines Flight UA5521 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 UA5521 flight from Louisville to Chicago?
The average flight time from Louisville to Chicago is 1 hour and 1 minute. The flight distance is 461 km / 287 miles and the average flight speed is 429 km/h / 267 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA5521 Louisville to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA5521 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA5521 arriving at?
Flight UA5521 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA5521 flight?
The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 19:23.
How else can the flight UA5521 be referenced as?
This United Airlines flight can also be referenced as UAL5521, UA 5521, UAL 5521.
How often is flight UA5521 delayed?
On average, 10% of all UA5521 flights are delayed. The average delay is 36 minutes.
Can I get compensation for my delayed or cancelled UA5521 flight or baggage issues?
If your UA5521 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 UA5521 Flight Tracker above for more details.
Flight UA5521 is code-shared by 1 airline using the flight number LH7927
Other flights departing from Louisville SDF: G43114, NK2382, AA5339, WN2668
Other flights arriving at Chicago ORD: UA1470, UA1298, UA1952, UA4575
All flights connecting Louisville SDF to Chicago ORD.
