United Airlines UA831 Flight Status
According to Trip.com real-time data, the UA831 flight operated by United Airlines on Jan 15, 2026 is scheduled to fly from Houston (IAH) to Buenos Aires (EZE). The flight is expected to depart at 6:30 PM (local time in Houston, UTC-6) and land at 6:44 AM (local time in Buenos Aires, UTC-3) .
Wed, Jan 14
Thu, Jan 15
Fri, Jan 16
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Arrived
The flight has arrived 6m early
9h 50m
Check-in Counter
--
Boarding Gate
E4
Arrival Gate
8
Baggage
3
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Scheduled
Your flight will depart on time.
9h 50m
Check-in Counter
--
Boarding Gate
5
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
9h 50m
Check-in Counter
--
Boarding Gate
C7
Arrival Gate
--
Baggage
--
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Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from Houston to Buenos Aires to find your schedule.
Track the Previous Flight Status: Delayed (may impact connections)
UA846
|
Santiago (SCL) 
Houston (HOU)
Houston (HOU)Scheduled: 5:05 AM
|
19m late
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UA831 Aircraft Details
According to Trip.com real-time data, the UA831 flight flying from Houston to Buenos Aires on 1/15/2026 is operated by the aircraft model Boeing 777-200. This aircraft has been in service for 26y, 11m. The aircraft is equipped with 269 seats.
Boeing 777-200
Punctuality (Departure)
47%
Punctuality (Arrival)
83%
Late on average
6 minutes
Age
26y, 11m
Seats
269
Flight Distance
--
Economy
Business
First
Premium Economy
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
Legroom
--
Seat width
110°
Reclining Angle
3-4-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
193 cm
Legroom
48 cm
Seat width
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
198 cm
More legroom than on 50% of flights
56 cm
Seat width better than on 50% of flights
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 40% of flights
120°
Reclining Angle
2-4-2
Seat layout example
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Flight History for UA831
Trip.com historical records show that the last UA831 flight departed on Wed, Jan 14 from IAH at approximately 7:16 PM. This flight is expected to arrrive in EZE at 7:14 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Jan 10 | Houston (IAH) | Buenos Aires (EZE) | 772 | 6:51 PM | 7:15 AM | Arrived |
| Sun, Jan 11 | Houston (IAH) | Buenos Aires (EZE) | 772 | 7:21 PM | 7:32 AM | Arrived |
| Mon, Jan 12 | Houston (IAH) | Buenos Aires (EZE) | 772 | 7:03 PM | 7:03 AM | Arrived |
| Tue, Jan 13 | Houston (IAH) | Buenos Aires (EZE) | 772 | 6:52 PM | 7:02 AM | Arrived |
| Wed, Jan 14 | Houston (IAH) | Buenos Aires (EZE) | 772 | 7:16 PM | 7:14 AM | Arrived |
| Thu, Jan 15 | Houston (IAH) | Buenos Aires (EZE) | 772 | 6:30 PM | 6:44 AM | Scheduled |
| Fri, Jan 16 | Houston (IAH) | Buenos Aires (EZE) | 772 | 6:30 PM | 7:20 AM | Scheduled |
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UA831 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA831 is 47% (Late on average 46 minutes), and the on-time arrival rate is 83% (Late on average 6 minutes).
On-Time Departures
Punctuality
47%
Late on average 46 minutes
Early
0%
On time
47%
30 mins late
30%
60 mins late
13%
90 mins late
10%
Canceled
0%
On-Time Arrivals
Punctuality
83%
Late on average 6 minutes
Early
57%
On time
27%
30 mins late
10%
60 mins late
3%
90 mins late
3%
Canceled
0%
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Arrival Info: Buenos Aires Weather & Current Time
Clear
|
25°C - 32°C
Weather forecast for your arrival day
3 hour time difference
Time on arrival: Houston 03:44| Buenos Aires 06:44
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