Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

UA 1687 · San Antonio (SAT) → Houston (IAH)

Sold by United. Still flying: 19 of the last 56 days.

Arrives on time69%within 15 minutes, of 35 flights
Cancelled0.0%of scheduled flights
An hour or more late3%of flights that operated
When late, on average34 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.

Leaves SAT
09:37
Arrives IAH
10:44
Flight time
1h 07m
Days flown, last 8 weeks
19 of 56

Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.

How late it arrives

Share of flights that operated arriving more than this late.

15+ min late31%
30+ min late14%
1h+ late3%
2h+ late0%
10%20%30%40% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at SAT

All flights leaving San Antonio (SAT) at 9–10 am, wherever they’re going: 90% left within 15 minutes and 1.3% were cancelled (1,635 flights in the year). Other United flights on this route →

Upcoming forecasts

This flight isn’t in our published forecasts for the next few days.