ON TIMEBOARD
United Airlines / PNS → IAH

UA 1823 on time

United Airlines 1823: Pensacola to Houston at 7:00 a.m.; Houston to Austin at 10:15 a.m. (past 12 months). Figures below the title are for PNS → IAH, its busiest leg

On time
90%
303 flights · likely 87–93%
Cancelled
1.3%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+97 min
average delay
Similar flights
90%
UA, same route & hour

About 1 in 10 UA 1823 flights from Pensacola arrived 15+ minutes late, diverted or cancelled over the past year (10%); 1.3% were cancelled. The typical flight landed 15 minutes early.

UA 1823: PNS → IAH

Scheduled to leave Pensacola at 7:00 a.m. local time. Over the past year it arrived on time 90% of the time (303 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: too few flights (12 flights)AugSep 2025: 100% on time (27 flights)100SepOct 2025: 90% on time (31 flights)90OctNov 2025: 83% on time (29 flights)83NovDec 2025: 81% on time (31 flights)81DecJan 2026: too few flights (5 flights)JanMar 2026: 89% on time (27 flights)89MarApr 2026: 97% on time (30 flights)97AprMay 2026: 90% on time (31 flights)90MayJun 2026: 97% on time (30 flights)97JunJul 2026: 87% on time (31 flights)87JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday4589%
Tuesday4388%
Wednesday4395%
Thursday4493%
Friday4095%
Saturday4486%
Sunday4486%

Why it was late

Airline (crew, maintenance, ops) 49%Air traffic & airport (NAS) 38%Late inbound plane 9%Severe weather 3%

All flights PNS → IAH · Connecting off UA 1823? Check the risk

UA 1823: IAH → AUS

Scheduled to leave Houston at 10:15 a.m. local time. Over the past year it arrived on time 79% of the time (148 flights), worse than other UA flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: too few flights (3 flights)MarApr 2026: 85% on time (26 flights)85AprMay 2026: 86% on time (28 flights)86MayJun 2026: 77% on time (30 flights)77JunJul 2026: 70% on time (30 flights)70JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday2374%
Tuesday2286%
Wednesday2291%
Thursday2162%
Friday2286%
Saturday15—
Sunday2378%

Why it was late

Airline (crew, maintenance, ops) 42%Air traffic & airport (NAS) 33%Late inbound plane 26%

All flights IAH → AUS · Connecting off UA 1823? Check the risk

Questions

How often is UA 1823 from PNS to IAH late?

United Airlines 1823 from Pensacola, FL to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 10% of 303 scheduled flights between September 2025 and August 2026. 1.3% were cancelled.

How often is UA 1823 from IAH to AUS late?

United Airlines 1823 from Houston, TX to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 21% of 148 scheduled flights between September 2025 and August 2026. 0.0% 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.