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United Airlines

Is UA4001 delayed?

Service date: · Scheduled departure date (America/Chicago)

Last reported

Cancelled

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Houston

IAH

Scheduled

Aug 31

Arrival

Midland

MAF

Scheduled

Aug 31

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

Recent arrivals

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

  • IAH → MAF

    20 min early

  • IAH → MAF

    25 min early

  • IAH → MAF

    21 min early

  • IAH → MAF

    24 min early

  • IAH → MAF

    8 min early
Flight history and details

Aug 20, 2026 — Sep 19, 2026

Observed arrivals
12
Arrivals over 15 minutes late
1
Observed cancellations
4
Observed occurrences
18

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

UA4001 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 19, 2026ArrivedHoustonMidland
View this flight’s market
-20
Sep 18, 2026ArrivedHoustonMidland
-25
Sep 17, 2026ArrivedHoustonMidland
-21
Sep 16, 2026ArrivedHoustonMidland
-24
Sep 14, 2026ArrivedHoustonMidland
-8
Sep 11, 2026ArrivedHoustonMidland
16
Sep 10, 2026ArrivedHoustonMidland
-17
Sep 8, 2026ArrivedHoustonMidland
-21
Sep 7, 2026ArrivedHoustonMidland
-15
Sep 6, 2026ArrivedHoustonMidland
-22
Sep 5, 2026ArrivedHoustonMidland
-18
Sep 4, 2026ArrivedHoustonMidland
14
Sep 2, 2026CancelledHoustonMidlandNot available
Not available
Aug 31, 2026CancelledHoustonMidlandNot available
Not available
Aug 30, 2026CancelledHoustonMidlandNot available
Not available
Aug 29, 2026CancelledHoustonMidlandNot available
Not available

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