Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 2851 · San Francisco (SFO) → Tampa (TPA)
Sold by United. Still flying: 16 of the last 56 days (Fri, Sat).
Arrives on time62%within 15 minutes, of 21 flights
Cancelled0.0%of scheduled flights
An hour or more late14%of flights that operated
When late, on average51 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Tampa is 3 h ahead of San Francisco).
- Leaves SFO
- 14:37
- Arrives TPA
- 22:58
- Flight time
- 5h 21m
- Days flown, last 8 weeks
- 16 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 2–3 pm, wherever they’re going: 68% left within 15 minutes and 1.2% were cancelled (6,123 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.