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United Airlines

Is UA1121 delayed?

Service date: · Scheduled departure date (UTC)

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Departure

Ontario

ONT

Scheduled

Sep 17

Arrival

Chicago

ORD

Scheduled

Sep 17

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Recent arrivals

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

  • ONT → ORD

    24 min early

  • ORD → DSM

    68 min late

  • ONT → ORD

    119 min late

  • ORD → DSM

    17 min early

  • ONT → ORD

    17 min early
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
38
Arrivals over 15 minutes late
7
Observed cancellations
0
Observed occurrences
40

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

UA1121 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedOntarioChicago
View this flight’s market
-24
Sep 15, 2026ArrivedChicagoDes Moines
68
Sep 15, 2026ArrivedOntarioChicago
119
Sep 14, 2026ArrivedChicagoDes Moines
-17
Sep 14, 2026ArrivedOntarioChicago
-17
Sep 13, 2026ArrivedChicagoDes Moines
13
Sep 13, 2026ArrivedOntarioChicago
-17
Sep 12, 2026ArrivedChicagoDes Moines
-9
Sep 12, 2026ArrivedOntarioChicago
-12
Sep 11, 2026ArrivedChicagoDes Moines
12
Sep 11, 2026ArrivedOntarioChicago
-15
Sep 10, 2026ArrivedChicagoDes Moines
-13
Sep 10, 2026ArrivedOntarioChicago
6
Sep 9, 2026ArrivedChicagoDes Moines
-17
Sep 9, 2026ArrivedOntarioChicago
1
Sep 8, 2026ArrivedChicagoDes Moines
16
Sep 8, 2026ArrivedOntarioChicago
-26
Sep 7, 2026ArrivedChicagoMinneapolis
-31
Sep 7, 2026ArrivedOntarioChicago
-42
Sep 6, 2026ArrivedChicagoMinneapolis
32
Sep 6, 2026ArrivedOntarioChicago
-27
Sep 5, 2026ArrivedChicagoMinneapolis
-31
Sep 5, 2026ArrivedOntarioChicago
-2
Sep 4, 2026ArrivedChicagoMinneapolis
83
Sep 4, 2026ArrivedOntarioChicago
-41
Sep 3, 2026ArrivedChicagoMinneapolis
157
Sep 2, 2026ArrivedChicagoMinneapolis
-29
Sep 1, 2026ArrivedChicagoMinneapolis
-17
Aug 31, 2026ArrivedChicagoMinneapolis
-26
Aug 30, 2026ArrivedChicagoMinneapolis
4
Aug 29, 2026ArrivedChicagoMinneapolis
-24
Aug 28, 2026ArrivedChicagoMinneapolis
-10
Aug 27, 2026ArrivedChicagoMinneapolis
5
Aug 26, 2026ArrivedChicagoMinneapolis
-31
Aug 25, 2026ArrivedChicagoMinneapolis
-14
Aug 24, 2026ArrivedChicagoMinneapolis
-22
Aug 23, 2026ArrivedChicagoMinneapolis
-31
Aug 21, 2026ArrivedChicagoMinneapolis
52

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