DL688 · JFK → SEA

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

64.4%on-time

DL688 JFK→SEA: 64.4% on-time over 359 flights (last 12 months) — below average. It trails the route average (69.5%) by 5.1 points. Best day to fly: Tue (74.0%); worst: Thu (55.3%). Seasonality matters: Sep is the most reliable month (83.3%), Dec the worst (16.0%). Cancellation rate is 3.9% — have a backup plan. Average arrival delay: 23.3 minutes.

Data: US BTS, last 12 months.

23.3 minavg arrival delay

3.9%cancelled

2diverted

359flights tracked

Arrival delay distribution

Early/on time · 1621–60 min · 14361–180 min · 36180+ min · 2

On-time by day of week

Mon

59.6%

Tue

74.0%

Wed

66.0%

Thu

55.3%

Fri

68.8%

Sat

62.5%

Sun

64.6%

On-time by month

83.3%

Sep

58.1%

Oct

53.6%

Nov

16.0%

Dec

67.9%

Jan

76.0%

Feb

60.0%

Mar

60.0%

Apr

73.3%

May

80.0%

Jun

77.8%

Jul

58.1%

Aug

← All flights on JFK–SEA