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United Airlines

Is UA1231 delayed?

No observed occurrence is available for this date.

Recent arrivals

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

  • ORD → IAH

    11 min early

  • ORD → IAH

    13 min early

  • ORD → IAH

    16 min early

  • ORD → IAH

    5 min early

  • ORD → IAH

    42 min late
Flight history and details

Aug 24, 2026 — Sep 23, 2026

Observed arrivals
30
Arrivals over 15 minutes late
2
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

UA1231 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 23, 2026ArrivedChicagoHouston
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-11
Sep 22, 2026ArrivedChicagoHouston
-13
Sep 21, 2026ArrivedChicagoHouston
-16
Sep 20, 2026ArrivedChicagoHouston
-5
Sep 19, 2026ArrivedChicagoHouston
42
Sep 18, 2026ArrivedChicagoHouston
-8
Sep 17, 2026ArrivedChicagoHouston
38
Sep 16, 2026ArrivedChicagoHouston
8
Sep 15, 2026ArrivedChicagoHouston
3
Sep 14, 2026ArrivedChicagoHouston
-12
Sep 13, 2026ArrivedChicagoHouston
-28
Sep 12, 2026ArrivedChicagoHouston
-27
Sep 11, 2026ArrivedChicagoHouston
10
Sep 10, 2026ArrivedChicagoHouston
-16
Sep 9, 2026ArrivedChicagoHouston
-7
Sep 8, 2026ArrivedChicagoHouston
-9
Sep 7, 2026ArrivedChicagoHouston
-25
Sep 6, 2026ArrivedChicagoHouston
-43
Sep 5, 2026ArrivedChicagoHouston
-25
Sep 4, 2026ArrivedChicagoHouston
4
Sep 3, 2026ArrivedChicagoHouston
-28
Sep 2, 2026ArrivedChicagoHouston
-20
Sep 1, 2026ArrivedChicagoHouston
-30
Aug 31, 2026ArrivedChicagoHouston
-13
Aug 30, 2026ArrivedChicagoHouston
-13
Aug 29, 2026ArrivedChicagoHouston
-40
Aug 28, 2026ArrivedChicagoHouston
-29
Aug 27, 2026ArrivedChicagoHouston
-18
Aug 26, 2026ArrivedChicagoHouston
-33
Aug 25, 2026ArrivedChicagoHouston
-22

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