Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 860 · San Francisco (SFO) → Boston (BOS)
Sold by Delta. Still flying: 42 of the last 56 days (Mon–Fri).
Arrives on time37%within 15 minutes, of 42 flights
Cancelled0.0%of scheduled flights
An hour or more late15%of flights that operated
When late, on average56 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Boston is 3 h ahead of San Francisco).
- Leaves SFO
- 15:00
- Arrives BOS
- 23:40
- Flight time
- 5h 40m
- Days flown, last 8 weeks
- 42 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 3–4 pm, wherever they’re going: 65% left within 15 minutes and 1.1% were cancelled (4,289 flights in the year). Other Delta flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.