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UA4423 Flight Status ( St. Louis to Chicago )

ARRIVED 11 HOUR 26 MINUTES AGO
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Departure (UA4423 Flight Schedule)

Lambert St Louis Intl ()

flag St. Louis, United States

06:30 CST

Fri 30-Jan-2026

 ON TIME
CST 00:00:00 DAY
arr   

Arrival (UA4423 Flight Schedule)

Chicago Ohare Intl ()

flag Chicago, United States

08:05 CST

Fri 30-Jan-2026

 EARLY 33 min
CST 00:00:00 DAY

Flight Radar Checker UA 4423

Live Flight Tracker Map

Flight UA4423 from St. Louis to Chicago is operated by United Airlines. Scheduled time of departure from Lambert St Louis Intl is 06:30 CST and scheduled time of arrival in Chicago Ohare Intl is 08:05 CST. The duration of the flight is 1 hour 35 minutes.

 

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from Chicago to St. Louis

Flight Departure Arrival

00:05
Chicago Midway Intl
()
Lambert St Louis Intl
()

00:27
Chicago Midway Intl
()
Lambert St Louis Intl
()

01:25
Chicago Ohare Intl
()
Lambert St Louis Intl
()

06:54
Chicago Midway Intl
()
Lambert St Louis Intl
()

07:35
Chicago Midway Intl
()
Lambert St Louis Intl
()

08:00
Chicago Midway Intl
()
Lambert St Louis Intl
()

08:35
Chicago Ohare Intl
()
Lambert St Louis Intl
()

09:00
Chicago Midway Intl
()
Lambert St Louis Intl
()

09:00
Chicago Midway Intl
()
Lambert St Louis Intl
()

09:00
Chicago Midway Intl
()
Lambert St Louis Intl
()

09:40
Chicago Midway Intl
()
Lambert St Louis Intl
()

10:20
Chicago Ohare Intl
()
Lambert St Louis Intl
()

10:24
Chicago Midway Intl
()
Lambert St Louis Intl
()

11:15
Chicago Midway Intl
()
Lambert St Louis Intl
()

11:25
Chicago Midway Intl
()
Lambert St Louis Intl
()

12:24
Chicago Midway Intl
()
Lambert St Louis Intl
()

12:27
Chicago Ohare Intl
()
Lambert St Louis Intl
()

12:29
Chicago Ohare Intl
()
Lambert St Louis Intl
()

12:35
Chicago Midway Intl
()
Lambert St Louis Intl
()

13:09
Chicago Ohare Intl
()
Lambert St Louis Intl
()

13:25
Chicago Midway Intl
()
Lambert St Louis Intl
()

13:36
Chicago Ohare Intl
()
Lambert St Louis Intl
()

13:38
Chicago Ohare Intl
()
Lambert St Louis Intl
()

13:45
Chicago Midway Intl
()
Lambert St Louis Intl
()

14:26
Chicago Ohare Intl
()
Lambert St Louis Intl
()

14:28
Chicago Ohare Intl
()
Lambert St Louis Intl
()

14:30
Chicago Ohare Intl
()
Lambert St Louis Intl
()

15:00
Chicago Midway Intl
()
Lambert St Louis Intl
()

15:55
Chicago Midway Intl
()
Lambert St Louis Intl
()

16:03
Chicago Ohare Intl
()
Lambert St Louis Intl
()

16:23
Chicago Ohare Intl
()
Lambert St Louis Intl
()

16:27
Chicago Ohare Intl
()
Lambert St Louis Intl
()

17:10
Chicago Midway Intl
()
Lambert St Louis Intl
()

17:30
Chicago Midway Intl
()
Lambert St Louis Intl
()

17:54
Chicago Ohare Intl
()
Lambert St Louis Intl
()

18:14
Chicago Ohare Intl
()
Lambert St Louis Intl
()

18:16
Chicago Ohare Intl
()
Lambert St Louis Intl
()

18:30
Chicago Midway Intl
()
Lambert St Louis Intl
()

18:54
Chicago Ohare Intl
()
Lambert St Louis Intl
()

19:18
Chicago Ohare Intl
()
Lambert St Louis Intl
()

19:31
Chicago Ohare Intl
()
Lambert St Louis Intl
()

20:35
Chicago Midway Intl
()
Lambert St Louis Intl
()

21:00
Chicago Midway Intl
()
Lambert St Louis Intl
()

21:15
Chicago Ohare Intl
()
Lambert St Louis Intl
()

21:43
Chicago Ohare Intl
()
Lambert St Louis Intl
()

21:54
Chicago Midway Intl
()
Lambert St Louis Intl
()

22:35
Chicago Midway Intl
()
Lambert St Louis Intl
()

22:43
Chicago Ohare Intl
()
Lambert St Louis Intl
()

23:15
Chicago Ohare Intl
()
Lambert St Louis Intl
()

23:55
Chicago Ohare Intl
()
Lambert St Louis Intl
()

History Flight Information for UA4423 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Sat, 31 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST
Fri, 30 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:33 CST 07:31 CST
Thu, 29 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:35 CST 07:31 CST
Wed, 28 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:41 CST 07:53 CST
Tue, 27 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:43 CST 07:39 CST
Mon, 26 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 07:26 CST 10:07 CST
Sun, 25 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST
Sat, 24 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:34 CST 07:27 CST
Fri, 23 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:43 CST 07:36 CST
Thu, 22 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:28 CST 07:27 CST
Wed, 21 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:57 CST 07:34 CST
Tue, 20 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 08:05 CST 09:06 CST
Mon, 19 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:48 CST 07:47 CST
Sun, 18 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 07:31 CST 08:23 CST
Sat, 17 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:35 CST 07:49 CST
Fri, 16 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:29 CST 07:33 CST
Thu, 15 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:34 CST 07:34 CST
Wed, 14 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 07:00 CST 08:18 CST
Tue, 13 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:33 CST 07:28 CST
Mon, 12 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:31 CST 07:26 CST
Sun, 11 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 07:42 CST 08:38 CST
Sat, 10 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:45 CST 07:48 CST
Fri, 09 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:33 CST 07:33 CST
Thu, 08 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:32 CST 07:29 CST
Wed, 07 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 07:46 CST 08:43 CST
Tue, 06 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:06 CST 07:48 CST
Mon, 05 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:32 CST 07:27 CST
Sun, 04 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 07:00 CST 07:55 CST
Sat, 03 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:43 CST 07:32 CST
Fri, 02 Jan UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:41 CST 07:28 CST
Wed, 31 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 07:03 CST 07:54 CST
Tue, 30 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:47 CST 07:39 CST
Mon, 29 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:52 CST 07:52 CST
Sun, 28 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:42 CST 07:33 CST
Sat, 27 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:59 CST 07:41 CST
Fri, 26 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 09:01 CST 09:56 CST
Wed, 24 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:24 CST 07:19 CST
Tue, 23 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:49 CST 07:43 CST
Mon, 22 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST
Sun, 21 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:41 CST 07:32 CST
Sat, 20 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:41 CST 07:34 CST
Fri, 19 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:36 CST 07:38 CST
Thu, 18 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 08:05 CST 06:40 CST 07:39 CST
Wed, 17 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:40 CST 07:28 CST
Tue, 16 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:41 CST 07:41 CST
Mon, 15 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:33 CST 07:33 CST
Sun, 14 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:40 CST 07:42 CST
Sat, 13 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:43 CST 07:38 CST
Fri, 12 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:35 CST 07:27 CST
Thu, 11 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:53 CST 07:47 CST
Wed, 10 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:28 CST 08:25 CST
Tue, 09 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:33 CST 07:33 CST
Mon, 08 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:19 CST 07:37 CST
Sun, 07 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST
Sat, 06 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:37 CST 07:58 CST
Fri, 05 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:32 CST 07:29 CST
Thu, 04 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:34 CST 07:31 CST
Wed, 03 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:30 CST 07:50 CST
Tue, 02 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 06:49 CST 09:04 CST
Mon, 01 Dec UA4423 Lambert St Louis Intl () Chicago Ohare Intl () 06:30 CST 07:59 CST 07:14 CST 08:00 CST

Disclaimer for UA4423 Flight Radar Data

Flight UA4423 from Lambert St Louis Intl to Chicago Ohare 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 UA4423 data.