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United Airlines

Is UA4500 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

95 min late

Official source · Updated

Departure

St Louis

STL

Actual

Scheduled 20:48

Sep 8

Arrival

Chicago

ORD

Actual

Scheduled 16:40

Sep 8

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Recent arrivals

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

  • STL → ORD

    144 min late

  • STL → ORD

    4 min early

  • STL → ORD

    49 min late

  • STL → ORD

    99 min late

  • STL → ORD

    14 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
19
Arrivals over 15 minutes late
8
Observed cancellations
0
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

UA4500 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedSt LouisChicago
View this flight’s market
144
Sep 16, 2026ArrivedSt LouisChicago
-4
Sep 15, 2026ArrivedSt LouisChicago
49
Sep 14, 2026ArrivedSt LouisChicago
99
Sep 13, 2026ArrivedSt LouisChicago
14
Sep 12, 2026ArrivedSt LouisChicago
-13
Sep 11, 2026ArrivedSt LouisChicago
-16
Sep 10, 2026ArrivedSt LouisChicago
-13
Sep 9, 2026ArrivedSt LouisChicago
238
Sep 8, 2026ArrivedSt LouisChicago
95
Sep 7, 2026ArrivedChicagoHuntsville
-22
Sep 7, 2026ArrivedSt LouisChicago
1
Sep 6, 2026ArrivedChicagoHuntsville
-4
Sep 6, 2026ArrivedSt LouisChicago
-24
Sep 4, 2026ArrivedChicagoHuntsville
172
Sep 4, 2026ArrivedSt LouisChicago
54
Aug 30, 2026ArrivedChicagoHuntsville
40
Aug 26, 2026ArrivedChicagoHuntsville
0
Aug 25, 2026ArrivedChicagoHuntsville
-14

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