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United Airlines / AUS → IAH

UA 1326 on time

United Airlines 1326: Austin to Houston at 5:59 p.m.; San Francisco to Austin at 8:50 a.m. (past 12 months). Figures below the title are for AUS → IAH, its busiest leg

On time
68%
339 flights · likely 62–72%
Cancelled
1.2%
of scheduled flights
Typical arrival
+4 min
median vs schedule
When late
+71 min
average delay
Similar flights
69%
UA, same route & hour

About 1 in 3 UA 1326 flights from Austin arrived 15+ minutes late, diverted or cancelled over the past year (32%); 1.2% were cancelled. The typical flight landed 4 minutes late.

UA 1326: AUS → IAH

Scheduled to leave Austin at 5:59 p.m. local time. Over the past year it arrived on time 68% of the time (339 flights), in line with other UA flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: too few flights (6 flights)SepOct 2025: 42% on time (31 flights)42OctNov 2025: 48% on time (29 flights)48NovDec 2025: 81% on time (31 flights)81DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 71% on time (31 flights)71MarApr 2026: 63% on time (30 flights)63AprMay 2026: 68% on time (31 flights)68MayJun 2026: 60% on time (30 flights)60JunJul 2026: 80% on time (30 flights)80JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday4965%
Tuesday4879%
Wednesday4871%
Thursday4858%
Friday4967%
Saturday4869%
Sunday4963%

Why it was late

Air traffic & airport (NAS) 44%Late inbound plane 26%Airline (crew, maintenance, ops) 15%Severe weather 14%

All flights AUS → IAH · Connecting off UA 1326? Check the risk

UA 1326: SFO → AUS

Scheduled to leave San Francisco at 8:50 a.m. local time. Over the past year it arrived on time 80% of the time (211 flights), worse than other UA flights on the route at that hour (87%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Feb 2025: 79% on time (28 flights)79FebMar 2025: 79% on time (29 flights)79MarOct 2025: too few flights (6 flights)OctNov 2025: 59% on time (29 flights)59NovDec 2025: 82% on time (17 flights)82DecFeb 2026: 53% on time (17 flights)53FebMar 2026: 84% on time (31 flights)84MarApr 2026: 86% on time (29 flights)86AprMay 2026: too few flights (11 flights)MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday3184%
Tuesday3093%
Wednesday3090%
Thursday2972%
Friday3067%
Saturday3080%
Sunday3171%

Why it was late

Late inbound plane 57%Air traffic & airport (NAS) 23%Airline (crew, maintenance, ops) 20%

All flights SFO → AUS · Connecting off UA 1326? Check the risk

Questions

How often is UA 1326 from AUS to IAH late?

United Airlines 1326 from Austin, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 32% of 339 scheduled flights between September 2025 and August 2026. 1.2% were cancelled.

How often is UA 1326 from SFO to AUS late?

United Airlines 1326 from San Francisco, CA to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 20% of 211 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.