| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | EWR | SDF | 12:17 | 11:36 |
En-Route
|
Track > |
| Jul 17 | EWR | SDF | 10:12 | 11:46 |
Landed
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| Jul 16 | EWR | SDF | 10:10 | 11:42 |
Landed
|
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| Jul 15 | EWR | SDF | 10:20 | 11:50 |
Landed
|
Track > |
| Jul 14 | EWR | SDF | 10:20 | 11:47 |
Landed
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Track > |
| Jul 13 | EWR | SDF | 10:15 | 11:45 |
Landed
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| Jul 12 | EWR | SDF | 10:19 | 11:52 |
Landed
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| Jul 11 | EWR | SDF | 09:40 | 11:17 |
Landed
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| Jul 10 | EWR | SDF | 10:26 | 12:13 |
Landed
|
Track > |
| Jul 09 | EWR | SDF | 10:18 | 11:57 |
Landed
|
Track > |
United Airlines Flight UA3421 connects New York, United States to Louisville, United States, taking off from New York Newark Liberty International Airport EWR and landing at Louisville International Airport SDF.
How long is the UA3421 flight from New York to Louisville?
The average flight time from New York to Louisville is 1 hour and 34 minutes. The flight distance is 1031 km / 641 miles and the average flight speed is 638 km/h / 396 mph.
How many UA3421 flights are operated per week?
6 flights per week. The flight UA3421 is operated on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3421 New York to Louisville?
The Airportia On-Time Performance Rating for United Airlines Flight UA3421 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3421 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being En-Route on 11:36.
How else can the flight UA3421 be referenced as?
This United Airlines flight can also be referenced as UAL3421, UA 3421, UAL 3421.
How often is flight UA3421 delayed?
On average, 0% of all UA3421 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3421 flight or baggage issues?
If your UA3421 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 UA3421 Flight Tracker above for more details.
Flight UA3421 is code-shared by 1 airline using the flight number AC3171
Other flights departing from New York EWR: UA2290, UA2018, UA4390, UA542
Other flights arriving at Louisville SDF: AA5922, UA3990, WN4466, M62331
All flights connecting New York EWR to Louisville SDF.
