Is UA4574 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

Service date: Sep 16, 2026 · Scheduled departure date (UTC)

Arrived

61 min late

Official source · Updated Sep 17, 2026, 00:33 UTC

Departure

Green Bay

GRB

Actual

23:49~~22:05~~

Sep 16

Arrival

Chicago

ORD

Actual

19:31~~18:30~~

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 16, 2026, 22:05 UTC
Estimated: Not available
Actual: Sep 16, 2026, 23:49 UTC

Arrival · UTC

Scheduled: Sep 16, 2026, 23:30 UTC
Estimated: Sep 17, 2026, 00:23 UTC
Actual: Sep 17, 2026, 00:31 UTC

Service date: Sep 16, 2026 · Scheduled departure date (America/Chicago)

Arrived

151 min late

Official source · Updated Sep 16, 2026, 23:11 UTC

Departure

Chicago

ORD

Scheduled

15:04

Sep 16

Arrival

Green Bay

GRB

Actual

23:10~~20:39~~

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 16, 2026, 20:04 UTC
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 16, 2026, 20:39 UTC
Estimated: Not available
Actual: Sep 16, 2026, 23:10 UTC

GRBORD

ORDGRB

Recent arrivals

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

Thu, Sep 17, 2026
GRB → ORD
36 min late
Thu, Sep 17, 2026
ORD → GRB
91 min late
Wed, Sep 16, 2026
GRB → ORD
61 min late
Wed, Sep 16, 2026
ORD → GRB
151 min late
Tue, Sep 15, 2026
ATW → ORD
96 min late

Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals: 23
Arrivals over 15 minutes late: 10
Observed cancellations: 0
Observed occurrences: 32

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

UA4574 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 17, 2026Arrived	Green Bay	Chicago	Sep 17, 2026, 23:41 UTC View this flight’s market	36
Sep 17, 2026Arrived	Chicago	Green Bay	Sep 17, 2026, 22:10 UTC View this flight’s market	91
Sep 16, 2026Arrived	Green Bay	Chicago	Sep 17, 2026, 00:31 UTC	61
Sep 16, 2026Arrived	Chicago	Green Bay	Sep 16, 2026, 23:10 UTC	151
Sep 15, 2026Arrived	Appleton	Chicago	Sep 16, 2026, 01:06 UTC	96
Sep 15, 2026Arrived	Chicago	Appleton	Sep 15, 2026, 23:30 UTC	182
Sep 14, 2026Arrived	Green Bay	Chicago	Sep 14, 2026, 22:50 UTC	-15
Sep 12, 2026Arrived	Green Bay	Chicago	Sep 12, 2026, 23:53 UTC	23
Sep 12, 2026Arrived	Chicago	Green Bay	Sep 12, 2026, 22:35 UTC	116
Sep 11, 2026Arrived	Green Bay	Chicago	Sep 11, 2026, 22:50 UTC	-15
Sep 10, 2026Arrived	Green Bay	Chicago	Sep 10, 2026, 22:54 UTC	-36
Sep 10, 2026Arrived	Chicago	Green Bay	Sep 10, 2026, 20:33 UTC	-6
Sep 9, 2026Arrived	Green Bay	Chicago	Sep 9, 2026, 23:12 UTC	-18
Sep 9, 2026Arrived	Chicago	Green Bay	Sep 9, 2026, 21:41 UTC	31
Sep 8, 2026Arrived	Chicago	Louisville	Sep 8, 2026, 16:43 UTC	-19
Sep 7, 2026Arrived	Chicago	Chattanooga	Sep 7, 2026, 13:19 UTC	-24
Sep 6, 2026Arrived	Chicago	Chattanooga	Sep 6, 2026, 13:26 UTC	-17
Sep 5, 2026Arrived	Chicago	Chattanooga	Sep 5, 2026, 13:53 UTC	10
Sep 4, 2026Arrived	Chicago	Chattanooga	Sep 4, 2026, 14:02 UTC	19
Aug 29, 2026Arrived	Chicago	Chattanooga	Aug 29, 2026, 13:24 UTC	-26
Aug 28, 2026Arrived	Chicago	Chattanooga	Aug 28, 2026, 13:32 UTC	-18
Aug 27, 2026Arrived	Chicago	Chattanooga	Aug 27, 2026, 13:54 UTC	3
Aug 24, 2026Arrived	Chicago	Chattanooga	Aug 24, 2026, 13:22 UTC	-28