United Airlines

UA831 Flight Status

According to Trip.com real-time data, the UA831 flight operated by United Airlines on Mar 15, 2026, scheduled to fly from Houston (IAH) to Buenos Aires (EZE), has a change in flight status: the original departure time has been delayed, and the new departure time is 21:10 , with a new arrival time of 08:26 (local time in Buenos Aires, UTC-3) . Trip.com will continue to provide the latest updates on this flight.

Sun, Mar 15

HOU-BUE

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Delayed

Your flight is about 2h 40m late

Houston(IAH)

21:10

Scheduled: 18:30, Mar 15

George Bush Intercontinental Airport E

9h 50m

Buenos Aires(EZE)

08:26

Scheduled: 06:20, Mar 16

Ministro Pistarini International Airport I

Check-in Counter

Boarding Gate

Arrival Gate

Baggage

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UA831 Aircraft Details

Plane model info unavailable

Punctuality (Departure)

33%

Punctuality (Arrival)

83%

Late on average

43 minutes

Age

Seats

Flight Distance

Economy

In-Flight Services

Unknown

Seat Information

Legroom

Seat width

Reclining Angle

Seat layout example

Flight History for UA831

Check more records from Trip.com about UA831 before and after today

Date	Airport		Aircraft Model	Departure	Arrival	Status
Date	Departure	Arrival	Aircraft Model	Departure	Arrival	Status
Tue, Mar 3	Houston (IAH)	Buenos Aires (EZE)	772	19:15	07:23	Arrived
Wed, Mar 4	Houston (IAH)	Buenos Aires (EZE)	772	18:46	07:03	Arrived
Fri, Mar 6	Houston (IAH)	Buenos Aires (EZE)	772	19:21	07:23	Arrived
Sun, Mar 8	Houston (IAH)	Buenos Aires (EZE)	772	19:40	06:37	Arrived
Wed, Mar 11	Houston (IAH)	Buenos Aires (EZE)	772	19:55	07:13	Arrived
Fri, Mar 13	Houston (IAH)	Buenos Aires (EZE)	772	22:07	09:18	Arrived
Sun, Mar 15	Houston (IAH)	Buenos Aires (EZE)	772	21:10	08:26	Delayed

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UA831 On-Time Performance

Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA831 is 33% (Late on average 1 hour 20 minutes), and the on-time arrival rate is 83% (Late on average 43 minutes).

On-Time Departures

Punctuality

33%

Late on average 1 hour 20 minutes

Early

On time

33%

30 mins late

50%

60 mins late

90 mins late

10%

Cancelled

On-Time Arrivals