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UA551 Flight Status ( St. Louis to Denver )

EXPECTED TO DEPART IN 1 HOUR 9 MINUTES
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Departure (UA551 Flight Schedule)

Lambert St Louis Intl ()

flag St. Louis, United States

17:59 CST

Fri 09-Jan-2026

 
CST 00:00:00 DAY
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Arrival (UA551 Flight Schedule)

Denver Intl ()

flag Denver, United States

19:38 MST

Fri 09-Jan-2026

 
MST 00:00:00 DAY

Flight Radar Checker UA 551

Live Flight Tracker Map

Flight UA551 from St. Louis to Denver is operated by United Airlines. Scheduled time of departure from Lambert St Louis Intl is 17:59 CST and scheduled time of arrival in Denver Intl is 19:38 MST. The duration of the flight is 2 hours 39 minutes.

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4.2 out of 5 stars / 11 votes

Flight Finder
from Denver to St. Louis

Flight Departure Arrival

01:00
Denver Intl
()
Lambert St Louis Intl
()

08:15
Denver Intl
()
Lambert St Louis Intl
()

10:02
Denver Intl
()
Lambert St Louis Intl
()

10:15
Denver Intl
()
Lambert St Louis Intl
()

10:40
Denver Intl
()
Lambert St Louis Intl
()

11:20
Denver Intl
()
Lambert St Louis Intl
()

12:20
Denver Intl
()
Lambert St Louis Intl
()

13:20
Denver Intl
()
Lambert St Louis Intl
()

13:20
Denver Intl
()
Lambert St Louis Intl
()

13:55
Denver Intl
()
Lambert St Louis Intl
()

14:25
Denver Intl
()
Lambert St Louis Intl
()

15:15
Denver Intl
()
Lambert St Louis Intl
()

16:50
Denver Intl
()
Lambert St Louis Intl
()

16:55
Denver Intl
()
Lambert St Louis Intl
()

17:30
Denver Intl
()
Lambert St Louis Intl
()

17:50
Denver Intl
()
Lambert St Louis Intl
()

18:30
Denver Intl
()
Lambert St Louis Intl
()

21:00
Denver Intl
()
Lambert St Louis Intl
()

21:45
Denver Intl
()
Lambert St Louis Intl
()

22:20
Denver Intl
()
Lambert St Louis Intl
()

22:22
Denver Intl
()
Lambert St Louis Intl
()

23:50
Denver Intl
()
Lambert St Louis Intl
()

History Flight Information for UA551 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Sat, 10 Jan UA551 La Guardia () Chicago Ohare Intl () 07:15 EST 09:03 CST
Fri, 09 Jan UA551 Lambert St Louis Intl () Denver Intl () 17:59 CST 19:38 MST
Thu, 08 Jan UA551 Lambert St Louis Intl () Denver Intl () 17:59 CST 19:38 MST ( B738) 18:37 CST 20:43 MST
Wed, 07 Jan UA551 Lambert St Louis Intl () Denver Intl () 17:59 CST 19:38 MST (Embraer E145) 18:09 CST 18:22 MST
Tue, 06 Jan UA551 La Guardia () Chicago Ohare Intl () 07:15 EST 09:03 CST (Boeing B738) 07:31 EST 08:38 CST
Mon, 05 Jan UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:28 EST 09:26 PST
Sun, 04 Jan UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A320) 07:32 EST 09:51 PST
Sat, 03 Jan UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 08:29 EST 10:14 PST
Fri, 02 Jan UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST 07:43 EST 09:39 PST
Thu, 01 Jan UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:58 EST 09:40 PST
Wed, 31 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:43 EST 09:32 PST
Tue, 30 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:50 EST 09:30 PST
Mon, 29 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 08:33 EST 10:31 PST
Sun, 28 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST 13:18 EST 12:18 PST
Sat, 27 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A320) 07:48 EST 09:52 PST
Fri, 26 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:49 EST 10:04 PST
Thu, 25 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST ( A319) 07:35 EST 09:33 PST
Wed, 24 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST 07:53 EST 09:46 PST
Tue, 23 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:21 EST 09:29 PST
Mon, 22 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 09:18 EST 11:22 PST
Sun, 21 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:32 EST 09:42 PST
Sat, 20 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:44 EST 10:05 PST
Fri, 19 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A320) 08:44 EST 10:38 PST
Thu, 18 Dec UA551 Detroit Metro Wayne Co () San Francisco Intl () 07:10 EST 09:35 PST (Airbus A319) 07:13 EST 08:49 PST
Wed, 17 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Airbus A319) 17:44 MST 22:32 EST
Tue, 16 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:30 MST 22:07 EST
Mon, 15 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:44 MST 22:17 EST
Sun, 14 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Embraer E145) 17:28 MST 21:01 EST
Sat, 13 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:33 MST 22:01 EST
Fri, 12 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 18:10 MST 23:40 EST
Thu, 11 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:55 MST 22:19 EST
Wed, 10 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:34 MST 22:21 EST
Tue, 09 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST
Mon, 08 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST
Sun, 07 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:49 MST 22:30 EST
Sat, 06 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:24 MST 22:01 EST
Fri, 05 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 17:27 MST 22:05 EST
Thu, 04 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Embraer E145) 17:33 MST 20:34 EST
Wed, 03 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST (Boeing B739) 18:33 MST 22:51 EST
Tue, 02 Dec UA551 Denver Intl () Pittsburgh Intl () 17:25 MST 22:25 EST 17:40 MST 22:06 EST
Mon, 01 Dec UA551 Denver Intl () La Guardia () 15:45 MST 21:25 EST (Embraer E145) 15:55 MST 20:14 EST
Mon, 01 Dec UA551 San Antonio Intl () Denver Intl () 13:23 CST 14:45 MST (Airbus A320) 13:32 CST 14:24 MST

Disclaimer for UA551 Flight Radar Data

Flight UA551 from Lambert St Louis Intl 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 UA551 data.