Is UA4543 delayed?

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Service date: Sep 23, 2026 · Scheduled departure date (America/Chicago)

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Departure

Chicago

ORD

Scheduled

15:34

Sep 23

Arrival

Grand Rapids

GRR

Scheduled

21:07

Sep 23

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 23, 2026, 20:34 UTC
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 23, 2026, 21:07 UTC
Estimated: Not available
Actual: Not available

Service date: Sep 23, 2026 · Scheduled departure date (UTC)

Arrived

42 min early

Official source · Updated Sep 23, 2026, 16:10 UTC

Departure

Knoxville

TYS

Actual

14:47~~14:45~~

Sep 23

Arrival

Chicago

ORD

Actual

11:07~~11:49~~

Sep 23

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 23, 2026, 14:45 UTC
Estimated: Not available
Actual: Sep 23, 2026, 14:47 UTC

Arrival · UTC

Scheduled: Sep 23, 2026, 16:49 UTC
Estimated: Sep 23, 2026, 16:04 UTC
Actual: Sep 23, 2026, 16:07 UTC

ORDGRR

TYSORD

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

Thu, Sep 24, 2026
GRB → ORD
38 min early
Wed, Sep 23, 2026
TYS → ORD
42 min early
Tue, Sep 22, 2026
TYS → ORD
287 min late
Mon, Sep 21, 2026
TYS → ORD
101 min late
Sun, Sep 20, 2026
TYS → ORD
199 min late

Flight history and details

Aug 25, 2026 — Sep 24, 2026

Observed arrivals: 24
Arrivals over 15 minutes late: 9
Observed cancellations: 4
Observed occurrences: 34

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

UA4543 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 24, 2026Arrived	Green Bay	Chicago	Sep 24, 2026, 14:50 UTC View this flight’s market	-38
Sep 23, 2026Arrived	Knoxville	Chicago	Sep 23, 2026, 16:07 UTC	-42
Sep 22, 2026Arrived	Knoxville	Chicago	Sep 22, 2026, 21:36 UTC	287
Sep 21, 2026Arrived	Knoxville	Chicago	Sep 21, 2026, 18:07 UTC	101
Sep 20, 2026Arrived	Knoxville	Chicago	Sep 20, 2026, 19:45 UTC	199
Sep 19, 2026Arrived	Chicago	Grand Rapids	Sep 20, 2026, 00:34 UTC	219
Sep 19, 2026Arrived	Knoxville	Chicago	Sep 19, 2026, 19:54 UTC	208
Sep 18, 2026Arrived	Knoxville	Chicago	Sep 18, 2026, 16:05 UTC	-21
Sep 17, 2026Arrived	Knoxville	Chicago	Sep 17, 2026, 19:57 UTC	188
Sep 16, 2026Arrived	Knoxville	Chicago	Sep 16, 2026, 17:35 UTC	69
Sep 15, 2026Arrived	Knoxville	Chicago	Sep 15, 2026, 17:28 UTC	39
Sep 14, 2026Arrived	Knoxville	Chicago	Sep 14, 2026, 16:19 UTC	-7
Sep 13, 2026Arrived	Knoxville	Chicago	Sep 13, 2026, 16:06 UTC	-43
Sep 12, 2026Arrived	Chicago	Grand Rapids	Sep 12, 2026, 20:33 UTC	-22
Sep 12, 2026Arrived	Knoxville	Chicago	Sep 12, 2026, 16:01 UTC	-48
Sep 11, 2026Arrived	Knoxville	Chicago	Sep 11, 2026, 17:23 UTC	34
Sep 10, 2026Arrived	Knoxville	Chicago	Sep 10, 2026, 16:08 UTC	-18
Sep 9, 2026Arrived	Knoxville	Chicago	Sep 9, 2026, 16:31 UTC	5
Sep 8, 2026Cancelled	Chicago	Grand Rapids	Not available	Not available
Sep 8, 2026Arrived	Knoxville	Chicago	Sep 8, 2026, 16:09 UTC	-17
Sep 7, 2026Arrived	Newark	Greensboro	Sep 8, 2026, 03:34 UTC	-20
Sep 6, 2026Arrived	Newark	Greensboro	Sep 7, 2026, 03:28 UTC	-26
Sep 5, 2026Arrived	Norfolk	Newark	Sep 5, 2026, 16:10 UTC	-7
Sep 4, 2026Arrived	Newark	Greensboro	Sep 5, 2026, 03:32 UTC	-22
Sep 2, 2026Cancelled	Newark	Greensboro	Not available	Not available
Sep 1, 2026Cancelled	Newark	Greensboro	Not available	Not available
Aug 28, 2026Arrived	Newark	Greensboro	Aug 29, 2026, 03:24 UTC	-34
Aug 27, 2026Cancelled	Newark	Greensboro	Not available	Not available