ON TIMEBOARD

UA 1747 on time

United Airlines 1747: Austin to Houston at 12:15 p.m. (past 12 months)

On time
71%
305 flights · likely 66–76%
Cancelled
0.3%
of scheduled flights
Typical arrival
+4 min
median vs schedule
When late
+49 min
average delay
Similar flights
73%
UA, same route & hour

About 1 in 4 UA 1747 flights from Austin arrived 15+ minutes late, diverted or cancelled over the past year (29%); 0.3% were cancelled. The typical flight landed 4 minutes late.

UA 1747: AUS → IAH

Scheduled to leave Austin at 12:15 p.m. local time. Over the past year it arrived on time 71% of the time (305 flights), in line with other UA flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 47% on time (30 flights)47OctNov 2025: 68% on time (25 flights)68NovDec 2025: 82% on time (17 flights)82DecJan 2026: 85% on time (26 flights)85JanFeb 2026: 100% on time (24 flights)100FebMar 2026: too few flights (7 flights)MarApr 2026: 73% on time (26 flights)73AprMay 2026: 61% on time (28 flights)61MayJun 2026: 57% on time (30 flights)57JunJul 2026: 55% on time (31 flights)55JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4764%
Tuesday4777%
Wednesday4785%
Thursday4473%
Friday4464%
Saturday3174%
Sunday4564%

Why it was late

Air traffic & airport (NAS) 44%Late inbound plane 40%Airline (crew, maintenance, ops) 15%Severe weather 2%

All flights AUS → IAH · Connecting off UA 1747? Check the risk

Questions

How often is UA 1747 from AUS to IAH late?

United Airlines 1747 from Austin, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 29% of 305 scheduled flights between September 2025 and August 2026. 0.3% 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.