DL670 · JFK → SFO

Delta Air Lines · New York JFK to San Francisco · last 12 months · 117 flights tracked

58.4%on-time

DL670 JFK→SFO: 58.4% on-time over 117 flights (last 12 months) — below average. It trails the route average (71.4%) by 13.0 points. Best day to fly: Tue (83.3%); worst: Wed (33.3%). Seasonality matters: Feb is the most reliable month (80.0%), Dec the worst (25.0%). Cancellation rate is 3.4% — have a backup plan. Average arrival delay: 27.9 minutes.

Data: US BTS, last 12 months.

27.9 minavg arrival delay

3.4%cancelled

0diverted

117flights tracked

Arrival delay distribution

Early/on time · 481–60 min · 4861–180 min · 12180+ min · 5

On-time by day of week

Mon

63.2%

Tue

83.3%

Wed

33.3%

Thu

73.7%

Fri

47.4%

Sat

71.4%

Sun

38.9%

On-time by month

25.0%

Dec

66.7%

Jan

80.0%

Feb

72.0%

Mar

42.9%

Apr

20.0%

May

100.0%

Jun

100.0%

Jul

0.0%

Aug

← All flights on JFK–SFO