ON TIMEBOARD

UA 2181 on time

United Airlines 2181: Houston to New York at 12:00 p.m. (past 12 months)

On time
64%
250 flights · likely 58–70%
Cancelled
0.8%
of scheduled flights
Typical arrival
+2 min
median vs schedule
When late
+85 min
average delay
Similar flights
65%
UA, same route & hour

About 1 in 3 UA 2181 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (36%); 0.8% were cancelled. The typical flight landed 2 minutes late.

UA 2181: IAH → LGA

Scheduled to leave Houston at 12:00 p.m. local time. Over the past year it arrived on time 64% of the time (250 flights), in line with other UA flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 50% on time (18 flights)50AugSep 2025: 86% on time (29 flights)86SepOct 2025: 61% on time (31 flights)61OctNov 2025: 63% on time (30 flights)63NovDec 2025: 57% on time (23 flights)57DecJan 2026: too few flights (2 flights)JanMar 2026: too few flights (3 flights)MarApr 2026: 76% on time (29 flights)76AprMay 2026: too few flights (11 flights)MayJun 2026: 60% on time (30 flights)60JunJul 2026: 52% on time (31 flights)52JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday3765%
Tuesday3667%
Wednesday3574%
Thursday3554%
Friday3569%
Saturday3569%
Sunday3754%

Why it was late

Air traffic & airport (NAS) 50%Late inbound plane 25%Airline (crew, maintenance, ops) 19%Severe weather 5%

All flights IAH → LGA · Connecting off UA 2181? Check the risk

Questions

How often is UA 2181 from IAH to LGA late?

United Airlines 2181 from Houston, TX to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 36% of 250 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.