DL734 · DTW → SEA

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

73.9%on-time

DL734 DTW→SEA: 73.9% on-time over 365 flights (last 12 months) — average. It beats the route average (72.8%) by 1.1 points. Best day to fly: Wed (82.7%); worst: Tue (63.5%). Seasonality matters: Sep is the most reliable month (93.3%), Dec the worst (44.8%). Cancellation rate is 1.6% — have a backup plan. Average arrival delay: 12.3 minutes.

Data: US BTS, last 12 months.

12.3 minavg arrival delay

1.6%cancelled

2diverted

365flights tracked

Arrival delay distribution

Early/on time · 1791–60 min · 16461–180 min · 14180+ min · 0

On-time by day of week

Mon

73.5%

Tue

63.5%

Wed

82.7%

Thu

75.0%

Fri

75.5%

Sat

74.5%

Sun

73.1%

On-time by month

93.3%

Sep

87.1%

Oct

83.3%

Nov

44.8%

Dec

56.7%

Jan

77.8%

Feb

63.3%

Mar

90.0%

Apr

64.5%

May

76.7%

Jun

66.7%

Jul

77.4%

Aug

← All flights on DTW–SEA