United Airlines UA4231 Flight Status
According to Trip.com latest record on status for United Airlines flight UA4231 from Houston to Birmingham (IAH-BHM): Flights for Oct 22, 2026 are scheduled, with the next departure slated for 07:25 from IAH and an expected arrival at 08:43 at BHM .
Wed, Oct 21
Thu, Oct 22
Fri, Oct 23
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Arrived
The flight arrived 20m early.
1h 53m
Check-in Counter
--
Boarding Gate
B50
Arrival Gate
C2
Baggage
1
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Scheduled
Your flight will depart on time.
1h 53m
Check-in Counter
--
Boarding Gate
B52
Arrival Gate
--
Baggage
1
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Scheduled
Your flight will depart on time.
1h 53m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Need a flight from Houston to Birmingham?
United Airlines From SEK 1,276
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UA4363
|
Harlingen (HRL)
Houston (HOU)
Houston (HOU)
Scheduled: 06:20
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UA4231 Aircraft Specifications
According to Trip.com real-time data, the UA4231 flight from Houston to Birmingham on 10/22/2026 is operated using the aircraft model Embraer RJ 135/140/145. This aircraft has been in service for 20y, 10m. The aircraft has 50 seats.
Embraer RJ 135/140/145
On-Time Departure
87
%
On-Time Arrival
93
%
Avg. Early
10 minutes
Aircraft Age
20y, 10m
Total Seats
50
Flight Distance
--
Economy
Premium Economy
Cabin Amenities
Snacks
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
79 cm
Legroom
--
Seat width
105°
Reclining Angle
1-2
Seat layout example
Cabin Amenities
None
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
97 cm
More legroom than on 33% of flights
--
Seat width
105°
Reclining Angle
--
Seat layout example
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UA4231 Flight History
Trip.com historical records show that the last UA4231 flight departed on Wed, Oct 21 from IAH at approximately 07:35. This flight is expected to arrrive in BHM at 08:58.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Oct 17 | Houston (IAH) | Birmingham (BHM) | E45X | 07:39 | 09:00 | Arrived |
| Sun, Oct 18 | Houston (IAH) | Birmingham (BHM) | E45X | 07:51 | 09:11 | Arrived |
| Mon, Oct 19 | Houston (IAH) | Birmingham (BHM) | E45X | 07:44 | 09:13 | Arrived |
| Tue, Oct 20 | Houston (IAH) | Birmingham (BHM) | E45X | 07:26 | 08:43 | Arrived |
| Wed, Oct 21 | Houston (IAH) | Birmingham (BHM) | E45X | 07:35 | 08:58 | Arrived |
| Thu, Oct 22 | Houston (IAH) | Birmingham (BHM) | E45X | 07:25 | 08:43 | Scheduled |
| Fri, Oct 23 | Houston (IAH) | Birmingham (BHM) | E45X | 07:25 | 09:18 | Scheduled |
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UA4231 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA4231 is 87% (Late on average 22 minutes), and the on-time arrival rate is 93% (Early on average 10 minutes).
On-Time Departures
Punctuality
87
%
Late on average
22 minutes
Early
0
%
On time
87
%
30 mins late
3
%
60 mins late
3
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
93
%
Early on average
10 minutes
Early
87
%
On time
7
%
30 mins late
0
%
60 mins late
3
%
90 mins late
3
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua4231?
Flight ua4231 has not departed yet and is currently on schedule. Scheduled departure 07:25, arrival 09:18 (updated Oct 22, 2026).Is flight ua4231 on time today?
Flight ua4231 has not departed yet and is currently on schedule. Scheduled departure is 07:25, with arrival at 09:18. Recheck gate and timing before you head to the airport.Has flight ua4231 departed yet? What is the departure time?
Flight ua4231 is scheduled to depart at 07:25. The latest actual or estimated departure time is 07:25, and the current status is Scheduled (updated Oct 22, 2026).When is flight ua4231 scheduled to arrive?
Flight ua4231 is scheduled to arrive at 09:18. The latest estimated or actual arrival time is 08:43. Status is Scheduled as of Oct 22, 2026.What is the gate information for flight ua4231?
For flight ua4231, the departure terminal is C and the boarding gate is B52. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua4231 fly?
Flight ua4231 is operated by United Airlines from Houston (IAH) to Birmingham (BHM). Typical flight time is about 1 hour 53 minutes; operating days may include Thursday.How can I check real-time status for flight ua4231?
Track flight ua4231 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua4231 is delayed or canceled, what should I do?
If ua4231 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 22, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua4231 departed from Houston?
Flight ua4231 has not departed from Houston (IAH) yet and is currently on schedule for 07:25.What is the seat configuration for flight ua4231?
Flight ua4231 usually flies a Embraer RJ 135/140/145 with seat layout 1-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Time on arrival: Houston 08:43
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