| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 31 | ORD | SDF | 21:25 | 23:59 |
Cancelled
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| Aug 20 | ORD | SDF | 21:25 | 23:59 |
Scheduled
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| May 20 | ORD | SDF | 20:10 | 22:02 |
Landed
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| May 19 | ORD | SDF | 20:13 | 22:05 |
Landed
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| May 18 | ORD | SDF | 20:54 | 23:23 |
Delayed
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| May 17 | ORD | SDF | 20:27 | 22:15 |
Landed
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| May 16 | ORD | SDF | 20:20 | 22:21 |
Landed
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| May 15 | ORD | SDF | 20:14 | 22:00 |
Landed
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| May 14 | ORD | SDF | 20:09 | 22:00 |
Landed
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| May 13 | ORD | SDF | 20:26 | 22:12 |
Landed
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United Airlines Flight UA3551 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 UA3551 flight from Chicago to Louisville?
The average flight time from Chicago to Louisville is 55 minutes. The flight distance is 461 km / 287 miles and the average flight speed is 474 km/h / 295 mph.
How many UA3551 flights are operated per week?
1 flight per week. The flight UA3551 is operated on Tuesday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3551 Chicago to Louisville?
The Airportia On-Time Performance Rating for United Airlines Flight UA3551 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3551 flight?
The latest flight was scheduled for Tuesday, September 1st, 2026 but was cancelled.
How else can the flight UA3551 be referenced as?
This United Airlines flight can also be referenced as UAL3551, UA 3551, UAL 3551.
How often is flight UA3551 delayed?
On average, 10% of all UA3551 flights are delayed. The average delay is 53 minutes.
Can I get compensation for my delayed or cancelled UA3551 flight or baggage issues?
If your UA3551 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 UA3551 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from Chicago ORD: MQ4281, UA661, YX3551, YX3464
Other flights arriving at Louisville SDF: 9E5070, DL2624, YX3551, A87188
All flights connecting Chicago ORD to Louisville SDF.
