ON TIMEBOARD

UA 1687 on time

United Airlines 1687: Houston to Indianapolis at 12:30 p.m. (past 12 months)

On time
88%
357 flights · likely 84–91%
Cancelled
0.3%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+63 min
average delay
Similar flights
88%
UA, same route & hour

About 1 in 8 UA 1687 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.3% were cancelled. The typical flight landed 7 minutes early.

UA 1687: IAH → IND

Scheduled to leave Houston at 12:30 p.m. local time. Over the past year it arrived on time 88% of the time (357 flights), in line with other UA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 90% on time (31 flights)90OctNov 2025: 90% on time (30 flights)90NovDec 2025: 87% on time (31 flights)87DecJan 2026: 93% on time (28 flights)93JanFeb 2026: 88% on time (24 flights)88FebMar 2026: 77% on time (30 flights)77MarApr 2026: 90% on time (30 flights)90AprMay 2026: 87% on time (31 flights)87MayJun 2026: 73% on time (30 flights)73JunJul 2026: 90% on time (31 flights)90JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday4491%
Wednesday5287%
Thursday5294%
Friday5290%
Saturday5283%
Sunday5296%

Why it was late

Airline (crew, maintenance, ops) 46%Late inbound plane 24%Severe weather 15%Air traffic & airport (NAS) 15%

All flights IAH → IND · Connecting off UA 1687? Check the risk

Questions

How often is UA 1687 from IAH to IND late?

United Airlines 1687 from Houston, TX to Indianapolis, IN arrived 15 or more minutes late, was diverted or was cancelled on 12% of 357 scheduled flights between September 2025 and August 2026. 0.3% 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.