DL459 · SEA → BOS

Delta Air Lines · Seattle to Boston · last 12 months · 365 flights tracked

88.1%on-time

DL459 SEA→BOS: 88.1% on-time over 365 flights (last 12 months) — excellent. It beats the route average (75.1%) by 13.0 points. Best day to fly: Sun (92.0%); worst: Wed (82.4%). Seasonality matters: Aug is the most reliable month (100.0%), Oct the worst (67.7%). Cancellation rate is 2.5% — have a backup plan. Average arrival delay: 10.7 minutes.

Data: US BTS, last 12 months.

10.7 minavg arrival delay

2.5%cancelled

2diverted

365flights tracked

Arrival delay distribution

Early/on time · 2681–60 min · 6961–180 min · 10180+ min · 7

On-time by day of week

Mon

87.8%

Tue

86.5%

Wed

82.4%

Thu

90.4%

Fri

88.0%

Sat

90.0%

Sun

92.0%

On-time by month

80.0%

Sep

67.7%

Oct

83.3%

Nov

90.0%

Dec

86.2%

Jan

85.2%

Feb

93.5%

Mar

86.2%

Apr

96.7%

May

100.0%

Jun

82.8%

Jul

100.0%

Aug

← All flights on SEA–BOS