ON TIMEBOARD

UA 1871 on time

United Airlines 1871: Austin to Houston at 7:44 p.m. (past 12 months)

On time
84%
192 flights · likely 78–88%
Cancelled
0.5%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+99 min
average delay
Similar flights
85%
UA, same route & hour

About 1 in 6 UA 1871 flights from Austin arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.5% were cancelled. The typical flight landed 10 minutes early.

UA 1871: AUS → IAH

Scheduled to leave Austin at 7:44 p.m. local time. Over the past year it arrived on time 84% of the time (192 flights), in line with other UA flights on the route at that hour (85%). Last seen in the data Aug 10, 2026.

Usually United Airlines's last flight of the day from Austin to Houston (100% of days). United Airlines's last AUS–IAH flight was cancelled 0.8% of the time, against 1.0% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 5:30 a.m. the next morning.

Month by month

40%70%100%Jan 2026: 90% on time (21 flights)90JanFeb 2026: 96% on time (25 flights)96FebMar 2026: 79% on time (29 flights)79MarApr 2026: 88% on time (26 flights)88AprMay 2026: 83% on time (29 flights)83MayJun 2026: 78% on time (27 flights)78JunJul 2026: 74% on time (27 flights)74JulAug 2026: too few flights (8 flights)Aug

By day of week

DayFlightsOn time
Monday3174%
Tuesday2378%
Wednesday3190%
Thursday3190%
Friday3194%
Saturday15—
Sunday3077%

Why it was late

Late inbound plane 44%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 26%

All flights AUS → IAH · Connecting off UA 1871? Check the risk

Questions

How often is UA 1871 from AUS to IAH late?

United Airlines 1871 from Austin, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 16% of 192 scheduled flights between September 2025 and August 2026. 0.5% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.