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United Airlines

Is UA4574 delayed?

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

Arrived

24 min early

Official source · Updated

Departure

Chicago

ORD

Scheduled

Sep 7

Arrival

Chattanooga

CHA

Actual

Scheduled 13:43

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • ORD → GRB

    91 min late

  • GRB → ORD

    61 min late

  • ORD → GRB

    151 min late

  • ATW → ORD

    96 min late

  • ORD → ATW

    182 min late
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
22
Arrivals over 15 minutes late
9
Observed cancellations
0
Observed occurrences
32

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

UA4574 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedChicagoGreen Bay
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91
Sep 16, 2026ArrivedGreen BayChicago
61
Sep 16, 2026ArrivedChicagoGreen Bay
151
Sep 15, 2026ArrivedAppletonChicago
96
Sep 15, 2026ArrivedChicagoAppleton
182
Sep 14, 2026ArrivedGreen BayChicago
-15
Sep 12, 2026ArrivedGreen BayChicago
23
Sep 12, 2026ArrivedChicagoGreen Bay
116
Sep 11, 2026ArrivedGreen BayChicago
-15
Sep 10, 2026ArrivedGreen BayChicago
-36
Sep 10, 2026ArrivedChicagoGreen Bay
-6
Sep 9, 2026ArrivedGreen BayChicago
-18
Sep 9, 2026ArrivedChicagoGreen Bay
31
Sep 8, 2026ArrivedChicagoLouisville
-19
Sep 7, 2026ArrivedChicagoChattanooga
-24
Sep 6, 2026ArrivedChicagoChattanooga
-17
Sep 5, 2026ArrivedChicagoChattanooga
10
Sep 4, 2026ArrivedChicagoChattanooga
19
Aug 29, 2026ArrivedChicagoChattanooga
-26
Aug 28, 2026ArrivedChicagoChattanooga
-18
Aug 27, 2026ArrivedChicagoChattanooga
3
Aug 24, 2026ArrivedChicagoChattanooga
-28

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