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United Airlines

Is UA4581 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

30 min early

Official source · Updated

Departure

Huntsville

HSV

Actual

Scheduled 11:32

Sep 8

Arrival

Houston

IAH

Actual

Scheduled 08:14

Sep 8

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

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.

  • HSV → IAH

    11 min early

  • HSV → IAH

    1 min early

  • STL → IAH

    4 min early

  • STL → IAH

    25 min early

  • HSV → IAH

    22 min early
Flight history and details

Aug 20, 2026 — Sep 19, 2026

Observed arrivals
14
Arrivals over 15 minutes late
2
Observed cancellations
0
Observed occurrences
22

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

UA4581 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 19, 2026ArrivedHuntsvilleHouston
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-11
Sep 18, 2026ArrivedHuntsvilleHouston
-1
Sep 17, 2026ArrivedSt LouisHouston
-4
Sep 16, 2026ArrivedSt LouisHouston
-25
Sep 15, 2026ArrivedHuntsvilleHouston
-22
Sep 14, 2026ArrivedHuntsvilleHouston
-31
Sep 13, 2026ArrivedHuntsvilleHouston
-26
Sep 12, 2026ArrivedHuntsvilleHouston
-20
Sep 11, 2026ArrivedHuntsvilleHouston
29
Sep 10, 2026ArrivedSt LouisHouston
24
Sep 9, 2026ArrivedSt LouisHouston
8
Sep 8, 2026ArrivedHuntsvilleHouston
-30
Sep 7, 2026ArrivedHoustonBaton Rouge
-16
Sep 4, 2026ArrivedHoustonBaton Rouge
-11

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