Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 1575 · Philadelphia (PHL) → San Francisco (SFO)
Sold by United. Still flying: 38 of the last 56 days (Mon, Thu, Fri, Sat, Sun).
Arrives on time59%within 15 minutes, of 243 flights
Cancelled0.4%of scheduled flights
An hour or more late23%of flights that operated
When late, on average100 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (San Francisco is 3 h behind Philadelphia).
- Leaves PHL
- 18:23
- Arrives SFO
- 21:33
- Flight time
- 6h 10m
- Days flown, last 8 weeks
- 38 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 PHL
All flights leaving Philadelphia (PHL) at 6–7 pm, wherever they’re going: 70% left within 15 minutes and 3.2% were cancelled (10,379 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.