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United Airlines

Is UA664 delayed?

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

Service date: · Scheduled departure date (America/Chicago)

Arrived

19 min early

Updated

Departure

Chicago

ORD

Actual

Scheduled 15:47

Aug 24

Arrival

Kansas City

MCI

Actual

Scheduled 22:30

Aug 24

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Service date: · Scheduled departure date (America/Los_Angeles)

Arrived

12 min early

Updated

Departure

Las Vegas

LAS

Actual

Scheduled 07:10

Aug 24

Arrival

Chicago

ORD

Actual

Scheduled 12:58

Aug 24

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Las Vegas → ChicagoLASORD
Route overview

Recent arrivals

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

  • LAS → ORD

    53 min late

  • ORD → MCI

    6 min late

  • LAS → ORD

    52 min early

  • ORD → MCI

    34 min late

  • LAS → ORD

    98 min late
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
47
Arrivals over 15 minutes late
8
Observed cancellations
0
Observed occurrences
54

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

UA664 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedLas VegasChicago
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53
Sep 16, 2026ArrivedChicagoKansas City
6
Sep 16, 2026ArrivedLas VegasChicago
-52
Sep 15, 2026ArrivedChicagoKansas City
34
Sep 15, 2026ArrivedLas VegasChicago
98
Sep 14, 2026ArrivedChicagoKansas City
-18
Sep 14, 2026ArrivedLas VegasChicago
-39
Sep 13, 2026ArrivedLas VegasChicago
-2
Sep 12, 2026ArrivedChicagoKansas City
16
Sep 12, 2026ArrivedLas VegasChicago
-42
Sep 11, 2026ArrivedChicagoKansas City
-21
Sep 11, 2026ArrivedLas VegasChicago
-23
Sep 10, 2026ArrivedChicagoKansas City
-7
Sep 10, 2026ArrivedLas VegasChicago
-15
Sep 9, 2026ArrivedChicagoKansas City
142
Sep 9, 2026ArrivedLas VegasChicago
-23
Sep 8, 2026ArrivedChicagoKansas City
19
Sep 8, 2026ArrivedLas VegasChicago
-3
Sep 7, 2026ArrivedChicagoKansas City
-12
Sep 7, 2026ArrivedLas VegasChicago
-34
Sep 6, 2026ArrivedChicagoKansas City
-25
Sep 5, 2026ArrivedChicagoKansas City
-21
Sep 5, 2026ArrivedLas VegasChicago
-44
Sep 4, 2026ArrivedChicagoKansas City
11
Sep 4, 2026ArrivedLas VegasChicago
-24
Sep 3, 2026ArrivedChicagoKansas City
34
Sep 3, 2026ArrivedLas VegasChicago
-20
Sep 2, 2026ArrivedLas VegasChicago
-27
Sep 1, 2026ArrivedLas VegasChicago
-35
Aug 31, 2026ArrivedChicagoKansas City
187
Aug 31, 2026ArrivedLas VegasChicago
-32
Aug 29, 2026ArrivedChicagoKansas City
-29
Aug 29, 2026ArrivedLas VegasChicago
-27
Aug 28, 2026ArrivedChicagoKansas City
-21
Aug 28, 2026ArrivedLas VegasChicago
3
Aug 27, 2026ArrivedChicagoKansas City
-12
Aug 27, 2026ArrivedLas VegasChicago
-18
Aug 26, 2026ArrivedChicagoKansas City
-18
Aug 26, 2026ArrivedLas VegasChicago
-38
Aug 25, 2026ArrivedChicagoKansas City
5
Aug 25, 2026ArrivedLas VegasChicago
-42
Aug 24, 2026ArrivedChicagoKansas City
-19
Aug 24, 2026ArrivedLas VegasChicago
-12
Aug 23, 2026ArrivedChicagoKansas City
-30
Aug 23, 2026ArrivedLas VegasChicago
-14
Aug 21, 2026ArrivedLas VegasChicago
-13

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