United Airlines UA4312 Flight Status
According to Trip.com real-time data, the UA4312 flight operated by United Airlines on Sep 20, 2026 is scheduled to fly from Houston (IAH) to Mobile (MOB). The flight is expected to depart at 8:25 PM and land at 9:30 PM .
Sat, Sep 19
Sun, Sep 20
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Scheduled
Your flight will depart on time.
1h 34m
Check-in Counter
--
Boarding Gate
B57
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
1h 34m
Check-in Counter
--
Boarding Gate
B48
Arrival Gate
--
Baggage
--
Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
UA4928
|
Corpus Christi (CRP) 
Houston (HOU)
Houston (HOU)Scheduled: 1:25 PM
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UA4312 Aircraft Details
According to Trip.com real-time data, the UA4312 flight flying from Houston to Mobile on 9/20/2026 is operated by the aircraft model Embraer RJ 135/140/145. This aircraft has been in service for 21y, 8m. The aircraft is equipped with 50 seats.
Embraer RJ 135/140/145
Punctuality (Departure)
93%
Punctuality (Arrival)
97%
Early on average
16 minutes
Age
21y, 8m
Seats
50
Flight Distance
--
Economy
Premium Economy
In-Flight Services
Snacks
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
79 cm
Legroom
--
Seat width
100°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
97 cm
Legroom
--
Seat width
100°
Reclining Angle
--
Seat layout example
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Flight History for UA4312
Trip.com historical records show that the last UA4312 flight departed on Sat, Sep 19 from IAH at approximately 8:25 PM. This flight is expected to arrrive in MOB at 9:30 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Sep 14 | Houston (IAH) | Mobile (MOB) | E45X | 8:37 PM | 9:43 PM | Arrived |
| Tue, Sep 15 | Houston (IAH) | Mobile (MOB) | E45X | 8:33 PM | 9:34 PM | Arrived |
| Wed, Sep 16 | Houston (IAH) | Mobile (MOB) | E45X | 8:34 PM | 9:40 PM | Arrived |
| Thu, Sep 17 | Houston (IAH) | Mobile (MOB) | E45X | 8:33 PM | 9:39 PM | Arrived |
| Fri, Sep 18 | Houston (IAH) | Mobile (MOB) | E45X | 8:29 PM | 9:34 PM | Arrived |
| Sat, Sep 19 | Houston (IAH) | Mobile (MOB) | E45X | 8:25 PM | 9:30 PM | Scheduled |
| Sun, Sep 20 | Houston (IAH) | Mobile (MOB) | E45X | 8:25 PM | 9:30 PM | Scheduled |
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UA4312 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA4312 is 93% (Late on average 13 minutes), and the on-time arrival rate is 97% (Early on average 16 minutes).
On-Time Departures
Punctuality
93%
Late on average 13 minutes
Early
3%
On time
90%
30 mins late
3%
60 mins late
0%
90 mins late
3%
Canceled
0%
On-Time Arrivals
Punctuality
97%
Early on average 16 minutes
Early
93%
On time
3%
30 mins late
0%
60 mins late
3%
90 mins late
0%
Canceled
0%
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Frequently Asked Questions
What is the current status of flight ua4312?
Flight ua4312 has not departed yet and is currently on schedule. Scheduled departure 8:25 PM, arrival 9:59 PM (updated Sep 20, 2026).Is flight ua4312 on time today?
Flight ua4312 has not departed yet and is currently on schedule. Scheduled departure is 8:25 PM, with arrival at 9:59 PM. Recheck gate and timing before you head to the airport.Has flight ua4312 departed yet? What is the departure time?
Flight ua4312 is scheduled to depart at 8:25 PM. The latest actual or estimated departure time is 8:25 PM, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua4312 scheduled to arrive?
Flight ua4312 is scheduled to arrive at 9:59 PM. The latest estimated or actual arrival time is 9:30 PM. Status is Scheduled as of Sep 20, 2026.What is the gate information for flight ua4312?
For flight ua4312, the departure terminal is C and the boarding gate is B48. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua4312 fly?
Flight ua4312 is operated by United Airlines from Houston (IAH) to Mobile (MOB). Typical flight time is about 1 hour34 minutes; operating days may include Sunday.How can I check real-time status for flight ua4312?
Track flight ua4312 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 ua4312 is delayed or canceled, what should I do?
If ua4312 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 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 ua4312 departed from Houston?
Flight ua4312 has not departed from Houston (IAH) yet and is currently on schedule for 8:25 PM.What is the seat configuration for flight ua4312?
Flight ua4312 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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