Is UA4389 delayed?

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

Service date: Aug 31, 2026 · Scheduled departure date (America/Chicago)

DepartedLast reported

On time

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Chicago

ORD

Actual

09:55

Aug 31

Arrival

Rochester

ROC

Estimated

16:13

Aug 31

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Aug 31, 2026, 14:55 UTC
Estimated: Aug 31, 2026, 14:55 UTC
Actual: Aug 31, 2026, 14:55 UTC

Arrival · UTC

Scheduled: Not available
Estimated: Aug 31, 2026, 16:13 UTC
Actual: Not available

Service date: Aug 31, 2026 · Scheduled departure date (America/Chicago)

Arrived

179 min late

Updated Aug 31, 2026, 16:18 UTC

Departure

Chicago

ORD

Actual

09:56~~06:13~~

Aug 31

Arrival

Rochester

ROC

Actual

16:14~~13:15~~

Aug 31

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Aug 31, 2026, 11:13 UTC
Estimated: Aug 31, 2026, 14:45 UTC
Actual: Aug 31, 2026, 14:56 UTC

Arrival · UTC

Scheduled: Aug 31, 2026, 13:15 UTC
Estimated: Aug 31, 2026, 13:40 UTC
Actual: Aug 31, 2026, 16:14 UTC

ORDROC

Recent arrivals

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

Thu, Sep 17, 2026
ORD → GRR
226 min late
Wed, Sep 16, 2026
COU → ORD
27 min early
Tue, Sep 15, 2026
ORD → GRR
13 min early
Tue, Sep 15, 2026
COU → ORD
16 min early
Mon, Sep 14, 2026
ORD → GRR
5 min early

Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals: 20
Arrivals over 15 minutes late: 5
Observed cancellations: 1
Observed occurrences: 30

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

UA4389 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 17, 2026Arrived	Chicago	Grand Rapids	Sep 17, 2026, 19:00 UTC View this flight’s market	226
Sep 17, 2026Cancelled	Columbia	Chicago	Not available View this flight’s market	Not available
Sep 16, 2026Arrived	Columbia	Chicago	Sep 16, 2026, 12:08 UTC	-27
Sep 15, 2026Arrived	Chicago	Grand Rapids	Sep 15, 2026, 15:01 UTC	-13
Sep 15, 2026Arrived	Columbia	Chicago	Sep 15, 2026, 12:19 UTC	-16
Sep 14, 2026Arrived	Chicago	Grand Rapids	Sep 14, 2026, 15:09 UTC	-5
Sep 14, 2026Arrived	Columbia	Chicago	Sep 14, 2026, 12:16 UTC	-38
Sep 13, 2026Arrived	Chicago	Grand Rapids	Sep 13, 2026, 14:58 UTC	-15
Sep 13, 2026Arrived	Columbia	Chicago	Sep 13, 2026, 12:16 UTC	-19
Sep 12, 2026Arrived	Columbia	Chicago	Sep 12, 2026, 12:48 UTC	13
Sep 11, 2026Arrived	Chicago	Grand Rapids	Sep 11, 2026, 15:20 UTC	6
Sep 11, 2026Arrived	Columbia	Chicago	Sep 11, 2026, 13:34 UTC	59
Sep 10, 2026Arrived	Chicago	Grand Rapids	Sep 10, 2026, 14:59 UTC	-15
Sep 10, 2026Arrived	Columbia	Chicago	Sep 10, 2026, 12:14 UTC	-21
Sep 9, 2026Arrived	Columbia	Chicago	Sep 9, 2026, 12:58 UTC	23
Sep 8, 2026Arrived	Chicago	Grand Rapids	Sep 8, 2026, 14:53 UTC	-21
Sep 8, 2026Arrived	Columbia	Chicago	Sep 8, 2026, 12:16 UTC	-19
Sep 7, 2026Arrived	Chicago	Rochester	Sep 7, 2026, 12:40 UTC	-27
Sep 5, 2026Arrived	Grand Rapids	Chicago	Sep 6, 2026, 00:24 UTC	164
Aug 31, 2026Arrived	Chicago	Rochester	Aug 31, 2026, 16:14 UTC	179
Aug 23, 2026Arrived	Chicago	Rochester	Aug 23, 2026, 12:51 UTC	-39