DL384 · BOS → SEA

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

74.3%on-time

DL384 BOS→SEA: 74.3% on-time over 365 flights (last 12 months) — average. It beats the route average (70.1%) by 4.2 points. Best day to fly: Wed (80.8%); worst: Tue (66.7%). Seasonality matters: Jul is the most reliable month (90.3%), Mar the worst (35.5%). Cancellation rate is 1.6% — have a backup plan. Average arrival delay: 14.0 minutes.

Data: US BTS, last 12 months.

14.0 minavg arrival delay

1.6%cancelled

1diverted

365flights tracked

Arrival delay distribution

Early/on time · 1701–60 min · 17161–180 min · 14180+ min · 3

On-time by day of week

Mon

76.0%

Tue

66.7%

Wed

80.8%

Thu

69.2%

Fri

74.5%

Sat

74.0%

Sun

78.8%

On-time by month

86.7%

Sep

80.6%

Oct

80.0%

Nov

63.3%

Dec

66.7%

Jan

69.2%

Feb

35.5%

Mar

83.3%

Apr

83.9%

May

72.4%

Jun

90.3%

Jul

76.7%

Aug

← All flights on BOS–SEA