DL691 · SFO → JFK

Delta Air Lines · San Francisco to New York JFK · last 12 months · 110 flights tracked

46.2%on-time

DL691 SFO→JFK: 46.2% on-time over 110 flights (last 12 months) — below average. It trails the route average (78.0%) by 31.8 points. Best day to fly: Tue (76.9%); worst: Thu (28.6%). Seasonality matters: Apr is the most reliable month (66.7%), Jul the worst (31.0%). Cancellation rate is 1.8% — have a backup plan. Average arrival delay: 38.6 minutes.

Data: US BTS, last 12 months.

38.6 minavg arrival delay

1.8%cancelled

4diverted

110flights tracked

Arrival delay distribution

Early/on time · 321–60 min · 5161–180 min · 18180+ min · 3

On-time by day of week

Mon

29.4%

Tue

76.9%

Wed

56.2%

Thu

28.6%

Fri

35.7%

Sat

57.1%

Sun

43.8%

On-time by month

66.7%

Apr

50.0%

May

50.0%

Jun

31.0%

Jul

38.7%

Aug

← All flights on SFO–JFK