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United Airlines

Is UA4173 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

30 min early

Official source · Updated

Departure

Dayton

DAY

Actual

Scheduled 18:23

Sep 7

Arrival

Chicago

ORD

Actual

Scheduled 14:55

Sep 7

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.

  • DAY → ORD

    78 min late

  • DAY → ORD

    9 min early

  • DAY → ORD

    97 min late

  • DAY → ORD

    47 min late

  • DAY → ORD

    13 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
13
Arrivals over 15 minutes late
5
Observed cancellations
0
Observed occurrences
13

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

UA4173 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedDaytonChicago
View this flight’s market
78
Sep 16, 2026ArrivedDaytonChicago
-9
Sep 15, 2026ArrivedDaytonChicago
97
Sep 14, 2026ArrivedDaytonChicago
47
Sep 13, 2026ArrivedDaytonChicago
13
Sep 12, 2026ArrivedDaytonChicago
-45
Sep 11, 2026ArrivedDaytonChicago
45
Sep 10, 2026ArrivedDaytonChicago
13
Sep 9, 2026ArrivedDaytonChicago
-38
Sep 7, 2026ArrivedDaytonChicago
-30
Sep 6, 2026ArrivedDaytonChicago
-31
Sep 5, 2026ArrivedDaytonChicago
6
Sep 4, 2026ArrivedDaytonChicago
108

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