DL668 · JFK → SFO

Delta Air Lines · New York JFK to San Francisco · last 12 months · 359 flights tracked

71.8%on-time

DL668 JFK→SFO: 71.8% on-time over 359 flights (last 12 months) — average. It beats the route average (71.4%) by 0.4 points. Best day to fly: Wed (80.8%); worst: Mon (66.0%). Seasonality matters: Jul is the most reliable month (87.1%), Dec the worst (40.7%). Cancellation rate is 1.9% — have a backup plan. Average arrival delay: 18.7 minutes.

Data: US BTS, last 12 months.

18.7 minavg arrival delay

1.9%cancelled

1diverted

359flights tracked

Arrival delay distribution

Early/on time · 2021–60 min · 12461–180 min · 20180+ min · 5

On-time by day of week

Mon

66.0%

Tue

72.5%

Wed

80.8%

Thu

73.1%

Fri

71.2%

Sat

68.1%

Sun

70.2%

On-time by month

83.3%

Sep

87.1%

Oct

70.0%

Nov

40.7%

Dec

75.9%

Jan

65.4%

Feb

80.0%

Mar

53.6%

Apr

67.7%

May

71.4%

Jun

87.1%

Jul

71.0%

Aug

← All flights on JFK–SFO