Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

DL 670 · San Francisco (SFO) → New York (JFK)

Sold by Delta. Still flying: 1 of the last 56 days.

Arrives on time90%within 15 minutes, of 126 flights
Cancelled2.4%of scheduled flights
An hour or more late2%of flights that operated
When late, on average49 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (New York is 3 h ahead of San Francisco).

Leaves SFO
22:00
Arrives JFK
06:34
Flight time
5h 34m
Days flown, last 8 weeks
1 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.

15+ min late10%
30+ min late7%
1h+ late2%
2h+ late1%
10%20%30% 015301h1h302h3h

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 10–11 pm, wherever they’re going: 70% left within 15 minutes and 1.6% were cancelled (7,542 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.