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UA3921 Flight Status ( Louisville to Denver )

ARRIVED 127 HOUR 50 MINUTES AGO
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Departure (UA3921 Flight Schedule)

Louisville International Airport ()

flag Louisville, United States

08:00 EST

Sun 18-Jan-2026

 
EST 00:00:00 DAY
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Arrival (UA3921 Flight Schedule)

Denver Intl ()

flag Denver, United States

09:08 MST

Sun 18-Jan-2026

 
MST 00:00:00 DAY

Flight Radar Checker UA 3921

Live Flight Tracker Map

Flight UA3921 from Louisville to Denver is operated by United Airlines. Scheduled time of departure from Louisville International Airport is 08:00 EST and scheduled time of arrival in Denver Intl is 09:08 MST. The duration of the flight is 3 hours 8 minutes.

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from Denver to Louisville

Flight Departure Arrival

01:58
Denver Intl
()
Louisville International Airport
()

01:58
Denver Intl
()
Louisville International Airport
()

10:05
Denver Intl
()
Louisville International Airport
()

10:29
Denver Intl
()
Louisville International Airport
()

11:34
Denver Intl
()
Louisville International Airport
()

11:49
Denver Intl
()
Louisville International Airport
()

11:49
Denver Intl
()
Louisville International Airport
()

11:52
Denver Intl
()
Louisville International Airport
()

11:52
Denver Intl
()
Louisville International Airport
()

14:22
Denver Intl
()
Louisville International Airport
()

17:10
Denver Intl
()
Louisville International Airport
()

19:35
Denver Intl
()
Louisville International Airport
()

21:10
Denver Intl
()
Louisville International Airport
()

21:25
Denver Intl
()
Louisville International Airport
()

21:30
Denver Intl
()
Louisville International Airport
()

22:24
Denver Intl
()
Louisville International Airport
()

22:24
Denver Intl
()
Louisville International Airport
()

History Flight Information for UA3921 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Sun, 18 Jan UA3921 Louisville International Airport () Denver Intl () 08:00 EST 09:08 MST
Mon, 12 Jan UA3921 Washington Dulles Intl () Newark Liberty Intl () 08:30 EST 09:44 EST
Sat, 10 Jan UA3921 George Bush Intercontinental () San Francisco Intl () 07:30 CST 09:42 PST (Boeing B772) 07:46 CST 09:12 PST
Tue, 30 Dec UA3921 Boston Logan Intl () Newark Liberty Intl () 23:30 EST 00:51 EST (Boeing B763) 01:20 EST 02:03 EST
Sat, 27 Dec UA3921 Calgary Intl () Denver Intl () 11:00 MST 13:28 MST (Boeing B738) 13:15 MST 13:36 MST
Sun, 21 Dec UA3921 Montrose Regional Airport () Denver Intl () 07:00 MST 08:10 MST (Airbus A319) 07:41 MST 08:16 MST
Sun, 14 Dec UA3921 Tampa Intl () Newark Liberty Intl () 16:30 EST 19:04 EST
Sat, 13 Dec UA3921 Chicago Ohare Intl () Denver Intl () 19:30 CST 21:11 MST (Airbus A319) 20:26 CST 21:36 MST
Mon, 08 Dec UA3921 Nashville Intl () Newark Liberty Intl () 08:00 CST 11:08 EST
Thu, 04 Dec UA3921 Honolulu Intl () George Bush Intercontinental () 11:00 HST 22:22 CST

Disclaimer for UA3921 Flight Radar Data

Flight UA3921 from Louisville International Airport to Denver Intl data is collected from different sources. The data is for informational purposes only and PlaneMapper is not responsible for the accuracy and reliability of flight UA3921 data.