Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
DL 670 · New York (JFK) → San Francisco (SFO)
Sold by Delta. Still flying: 7 of the last 56 days (Sat).
Arrives on time61%within 15 minutes, of 116 flights
Cancelled3.4%of scheduled flights
An hour or more late15%of flights that operated
When late, on average68 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 New York).
- Leaves JFK
- 15:25
- Arrives SFO
- 19:03
- Flight time
- 6h 38m
- Days flown, last 8 weeks
- 7 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 JFK
All flights leaving New York (JFK) at 3–4 pm, wherever they’re going: 74% left within 15 minutes and 4.3% were cancelled (8,662 flights in the year). Other Delta flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.