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United Airlines / IAH → MIA

UA 410 on time

United Airlines 410: Houston to Miami at 12:00 p.m.; San Antonio to Houston at 7:40 a.m. (past 12 months). Figures below the title are for IAH → MIA, its busiest leg

On time
80%
257 flights · likely 75–85%
Cancelled
0.4%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+47 min
average delay
Similar flights
83%
UA, same route & hour

About 1 in 5 UA 410 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.4% were cancelled. The typical flight landed 8 minutes early.

UA 410: IAH → MIA

Scheduled to leave Houston at 12:00 p.m. local time. Over the past year it arrived on time 80% of the time (257 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%Dec 2025: too few flights (14 flights)DecJan 2026: 97% on time (31 flights)97JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 77% on time (31 flights)77MarApr 2026: 87% on time (30 flights)87AprMay 2026: 74% on time (31 flights)74MayJun 2026: 70% on time (30 flights)70JunJul 2026: 71% on time (31 flights)71JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday3781%
Tuesday3686%
Wednesday3686%
Thursday3770%
Friday3781%
Saturday3776%
Sunday3781%

Why it was late

Air traffic & airport (NAS) 58%Late inbound plane 25%Airline (crew, maintenance, ops) 14%Severe weather 3%

All flights IAH → MIA · Connecting off UA 410? Check the risk

UA 410: SAT → IAH

Scheduled to leave San Antonio at 7:40 a.m. local time. Over the past year it arrived on time 86% of the time (246 flights), better than other UA flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Dec 2025: too few flights (14 flights)DecJan 2026: 90% on time (31 flights)90JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 77% on time (31 flights)77MarApr 2026: 90% on time (30 flights)90AprMay 2026: 60% on time (20 flights)60MayJun 2026: 80% on time (30 flights)80JunJul 2026: 90% on time (31 flights)90JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday3686%
Tuesday3586%
Wednesday3591%
Thursday3591%
Friday3580%
Saturday3583%
Sunday3586%

Why it was late

Airline (crew, maintenance, ops) 64%Air traffic & airport (NAS) 31%Severe weather 4%Late inbound plane 2%

All flights SAT → IAH · Connecting off UA 410? Check the risk

Questions

How often is UA 410 from IAH to MIA late?

United Airlines 410 from Houston, TX to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 20% of 257 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.

How often is UA 410 from SAT to IAH late?

United Airlines 410 from San Antonio, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 14% of 246 scheduled flights between September 2025 and August 2026. 0.8% 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.