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United Airlines

Is UA4644 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This update may be out of date.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 28

Arrival

Omaha

OMA

Scheduled

Aug 29

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.

  • BHM → IAH

    20 min early

  • BHM → IAH

    26 min early

  • BHM → IAH

    21 min early

  • BHM → IAH

    29 min early

  • BHM → IAH

    25 min early
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
14
Arrivals over 15 minutes late
2
Observed cancellations
3
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

UA4644 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedBirminghamHouston
View this flight’s market
-20
Sep 16, 2026ArrivedBirminghamHouston
-26
Sep 14, 2026ArrivedBirminghamHouston
-21
Sep 13, 2026ArrivedBirminghamHouston
-29
Sep 12, 2026ArrivedBirminghamHouston
-25
Sep 11, 2026ArrivedBirminghamHouston
-26
Sep 10, 2026ArrivedBirminghamHouston
160
Sep 9, 2026ArrivedBirminghamHouston
1
Sep 8, 2026ArrivedBirminghamHouston
-23
Sep 7, 2026ArrivedHoustonOmaha
-18
Sep 6, 2026ArrivedHoustonOmaha
-20
Sep 5, 2026ArrivedHoustonOmaha
-9
Sep 4, 2026ArrivedHoustonOmaha
-13
Sep 3, 2026ArrivedHoustonOmaha
51
Sep 1, 2026CancelledHoustonOmahaNot available
Not available
Aug 28, 2026CancelledHoustonOmahaNot available
Not available
Aug 21, 2026CancelledHoustonOmahaNot available
Not available

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