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United Airlines

Is UA4581 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

26 min early

Official source · Updated

Departure

Huntsville

HSV

Actual

Scheduled 11:32

Sep 20

Arrival

Houston

IAH

Actual

Scheduled 08:14

Sep 20

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
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.

  • HSV → IAH

    26 min early

  • HSV → IAH

    11 min early

  • HSV → IAH

    1 min early

  • STL → IAH

    4 min early

  • STL → IAH

    25 min early
Flight history and details

Aug 21, 2026 — Sep 20, 2026

Observed arrivals
15
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 20, 2026ArrivedHuntsvilleHouston
View this flight’s market
-26
Sep 19, 2026ArrivedHuntsvilleHouston
-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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