Is UA1851 delayed?

Service date: Sep 8, 2026 · Scheduled departure date (America/Chicago)

Arrived

19 min early

Official source · Updated Sep 9, 2026, 01:40 UTC

Departure

Chicago

ORD

Scheduled

17:30

Sep 8

Arrival

Las Vegas

LAS

Actual

18:40~~19:00~~

Sep 8

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 8, 2026, 22:30 UTC
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 9, 2026, 02:00 UTC
Estimated: Not available
Actual: Sep 9, 2026, 01:40 UTC

Route overview

Recent arrivals

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

Wed, Sep 23, 2026
ORD → LAS
16 min early
Tue, Sep 22, 2026
ORD → LAS
8 min early
Mon, Sep 21, 2026
ORD → LAS
25 min late
Sun, Sep 20, 2026
ORD → LAS
81 min late
Sat, Sep 19, 2026
ORD → LAS
34 min late

Flight history and details

Aug 25, 2026 — Sep 24, 2026

Observed arrivals: 27
Arrivals over 15 minutes late: 9
Observed cancellations: 0
Observed occurrences: 28

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 23, 2026Arrived	Chicago	Las Vegas	Sep 24, 2026, 01:30 UTC View this flight’s market	-16
Sep 22, 2026Arrived	Chicago	Las Vegas	Sep 23, 2026, 01:38 UTC	-8
Sep 21, 2026Arrived	Chicago	Las Vegas	Sep 22, 2026, 02:12 UTC	25
Sep 20, 2026Arrived	Chicago	Las Vegas	Sep 21, 2026, 03:08 UTC	81
Sep 19, 2026Arrived	Chicago	Las Vegas	Sep 20, 2026, 02:21 UTC	34
Sep 18, 2026Arrived	Chicago	Las Vegas	Sep 19, 2026, 02:05 UTC	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