ON TIMEBOARD

UA 6138 on time

United Airlines 6138: Houston to Corpus Christi at 7:50 p.m. (past 12 months)

On time
81%
246 flights · likely 76–85%
Cancelled
0.4%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+92 min
average delay
Similar flights
80%
UA, same route & hour

About 1 in 5 UA 6138 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.4% were cancelled. The typical flight landed 13 minutes early.

UA 6138: IAH → CRP

Scheduled to leave Houston at 7:50 p.m. local time, operated by Mesa Airlines as YV 6138. Over the past year it arrived on time 81% of the time (246 flights), in line with other UA flights on the route at that hour (80%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Oct 2025: too few flights (5 flights)OctNov 2025: 62% on time (29 flights)62NovDec 2025: 97% on time (30 flights)97DecJan 2026: 81% on time (26 flights)81JanFeb 2026: 100% on time (26 flights)100FebMar 2026: too few flights (7 flights)MarApr 2026: 80% on time (30 flights)80AprMay 2026: 93% on time (28 flights)93MayJun 2026: 62% on time (26 flights)62JunJul 2026: 79% on time (29 flights)79JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday3871%
Tuesday3284%
Wednesday3889%
Thursday3678%
Friday3678%
Saturday3083%
Sunday3683%

Why it was late

Late inbound plane 73%Airline (crew, maintenance, ops) 19%Air traffic & airport (NAS) 6%Severe weather 2%

All flights IAH → CRP · Connecting off UA 6138? Check the risk

Questions

How often is UA 6138 from IAH to CRP late?

United Airlines 6138 from Houston, TX to Corpus Christi, TX arrived 15 or more minutes late, was diverted or was cancelled on 19% of 246 scheduled flights between September 2025 and August 2026. 0.4% 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.