Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1387 · San Francisco (SFO) → Houston (IAH)
Sold by United. Still flying: 56 of the last 56 days (Daily).
Arrives on time78%within 15 minutes, of 257 flights
Cancelled0.4%of scheduled flights
An hour or more late5%of flights that operated
When late, on average48 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Houston is 2 h ahead of San Francisco).
- Leaves SFO
- 12:15
- Arrives IAH
- 18:27
- Flight time
- 4h 12m
- Days flown, last 8 weeks
- 56 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.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at SFO
All flights leaving San Francisco (SFO) at 12–1 pm, wherever they’re going: 68% left within 15 minutes and 1.0% were cancelled (8,402 flights in the year). Other United flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.