ON TIMEBOARD

UA 1571 on time

United Airlines 1571: Houston to Orlando at 4:50 p.m. (past 12 months)

On time
84%
351 flights · likely 80–87%
Cancelled
0.6%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+77 min
average delay
Similar flights
83%
UA, same route & hour

About 1 in 6 UA 1571 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.6% were cancelled. The typical flight landed 10 minutes early.

UA 1571: IAH → MCO

Scheduled to leave Houston at 4:50 p.m. local time. Over the past year it arrived on time 84% of the time (351 flights), in line with other UA flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 87% on time (31 flights)87OctNov 2025: 90% on time (29 flights)90NovDec 2025: 90% on time (31 flights)90DecJan 2026: 100% on time (31 flights)100JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 83% on time (30 flights)83MarApr 2026: 81% on time (26 flights)81AprMay 2026: 73% on time (30 flights)73MayJun 2026: 80% on time (30 flights)80JunJul 2026: 70% on time (30 flights)70JulAug 2026: 72% on time (25 flights)72Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday4484%
Wednesday4890%
Thursday5184%
Friday5279%
Saturday5186%
Sunday5277%

Why it was late

Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 32%Late inbound plane 28%Severe weather 5%

All flights IAH → MCO · Connecting off UA 1571? Check the risk

Questions

How often is UA 1571 from IAH to MCO late?

United Airlines 1571 from Houston, TX to Orlando, FL arrived 15 or more minutes late, was diverted or was cancelled on 16% of 351 scheduled flights between September 2025 and August 2026. 0.6% 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.