DL429 · SEA → JFK

Delta Air Lines · Seattle to New York JFK · last 12 months · 365 flights tracked

88.4%on-time

DL429 SEA→JFK: 88.4% on-time over 365 flights (last 12 months) — excellent. It beats the route average (78.0%) by 10.4 points. Best day to fly: Wed (96.1%); worst: Sun (81.6%). Seasonality matters: Jun is the most reliable month (96.7%), Jan the worst (72.4%). Cancellation rate is 4.1% — have a backup plan. Average arrival delay: 14.4 minutes.

Data: US BTS, last 12 months.

14.4 minavg arrival delay

4.1%cancelled

6diverted

365flights tracked

Arrival delay distribution

Early/on time · 2431–60 min · 8561–180 min · 10180+ min · 6

On-time by day of week

Mon

84.0%

Tue

88.0%

Wed

96.1%

Thu

90.2%

Fri

89.4%

Sat

89.1%

Sun

81.6%

On-time by month

93.3%

Sep

87.1%

Oct

76.7%

Nov

89.3%

Dec

72.4%

Jan

88.0%

Feb

86.2%

Mar

86.7%

Apr

86.2%

May

96.7%

Jun

92.9%

Jul

87.1%

Aug

← All flights on SEA–JFK