Is UA1851 delayed?

Service date: Aug 22, 2026 · Scheduled departure date (America/New_York)

Arrived

18 min early

Updated Aug 22, 2026, 18:14 UTC

Departure

Miami

MIA

Actual

11:47~~11:30~~

Aug 22

Arrival

Houston

IAH

Actual

13:03~~13:22~~

Aug 22

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Aug 22, 2026, 15:30 UTC
Estimated: Aug 22, 2026, 15:47 UTC
Actual: Aug 22, 2026, 15:47 UTC

Arrival · UTC

Scheduled: Aug 22, 2026, 18:22 UTC
Estimated: Aug 22, 2026, 18:06 UTC
Actual: Aug 22, 2026, 18:03 UTC

Route overview

Recent arrivals

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

Fri, Sep 18, 2026
ORD → LAS
18 min late
Thu, Sep 17, 2026
ORD → LAS
261 min late
Wed, Sep 16, 2026
ORD → LAS
3 min early
Tue, Sep 15, 2026
ORD → LAS
22 min late
Mon, Sep 14, 2026
ORD → LAS
16 min late

Flight history and details

Aug 20, 2026 — Sep 19, 2026

Observed arrivals: 25
Arrivals over 15 minutes late: 6
Observed cancellations: 0
Observed occurrences: 29

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

UA1851 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 18, 2026Arrived	Chicago	Las Vegas	Sep 19, 2026, 02:05 UTC View this flight’s market	18
Sep 17, 2026Arrived	Chicago	Las Vegas	Sep 18, 2026, 06:08 UTC	261
Sep 16, 2026Arrived	Chicago	Las Vegas	Sep 17, 2026, 01:43 UTC	-3
Sep 15, 2026Arrived	Chicago	Las Vegas	Sep 16, 2026, 02:09 UTC	22
Sep 14, 2026Arrived	Chicago	Las Vegas	Sep 15, 2026, 02:03 UTC	16
Sep 12, 2026Arrived	Chicago	Las Vegas	Sep 13, 2026, 01:54 UTC	7
Sep 11, 2026Arrived	Chicago	Las Vegas	Sep 12, 2026, 01:56 UTC	9
Sep 10, 2026Arrived	Chicago	Las Vegas	Sep 11, 2026, 01:34 UTC	-12
Sep 9, 2026Arrived	Chicago	Las Vegas	Sep 10, 2026, 01:39 UTC	-7
Sep 8, 2026Arrived	Chicago	Las Vegas	Sep 9, 2026, 01:40 UTC	-19
Sep 7, 2026Arrived	Miami	Houston	Sep 7, 2026, 22:22 UTC	246
Sep 6, 2026Arrived	Miami	Houston	Sep 6, 2026, 19:48 UTC	97
Sep 5, 2026Arrived	Miami	Houston	Sep 5, 2026, 18:13 UTC	-8
Sep 4, 2026Arrived	Miami	Houston	Sep 4, 2026, 18:07 UTC	-14
Sep 3, 2026Arrived	Miami	Houston	Sep 3, 2026, 18:25 UTC	3
Sep 1, 2026Arrived	Miami	Houston	Sep 1, 2026, 18:13 UTC	-8
Aug 31, 2026Arrived	Miami	Houston	Aug 31, 2026, 18:07 UTC	-14
Aug 30, 2026Arrived	Miami	Houston	Aug 30, 2026, 18:14 UTC	-7
Aug 29, 2026Arrived	Miami	Houston	Aug 29, 2026, 18:25 UTC	3
Aug 28, 2026Arrived	Miami	Houston	Aug 28, 2026, 18:27 UTC	5
Aug 27, 2026Arrived	Miami	Houston	Aug 27, 2026, 18:20 UTC	-1
Aug 26, 2026Arrived	Miami	Houston	Aug 26, 2026, 17:50 UTC	-31
Aug 25, 2026Arrived	Miami	Houston	Aug 25, 2026, 18:08 UTC	-13
Aug 23, 2026Arrived	Miami	Houston	Aug 23, 2026, 17:41 UTC	-40
Aug 22, 2026Arrived	Miami	Houston	Aug 22, 2026, 18:03 UTC	-18