DL541 · SEA → IAD

Delta Air Lines · Seattle to Washington Dulles · last 12 months · 349 flights tracked

76.5%on-time

DL541 SEA→IAD: 76.5% on-time over 349 flights (last 12 months) — solid. It trails the route average (84.8%) by 8.3 points. Best day to fly: Wed (86.0%); worst: Fri (66.7%). Seasonality matters: Apr is the most reliable month (93.1%), Mar the worst (66.7%). Average arrival delay: 19.7 minutes.

Data: US BTS, last 12 months.

19.7 minavg arrival delay

1.1%cancelled

1diverted

349flights tracked

Arrival delay distribution

Early/on time · 2111–60 min · 9861–180 min · 29180+ min · 6

On-time by day of week

Mon

74.0%

Tue

74.0%

Wed

86.0%

Thu

84.0%

Fri

66.7%

Sat

75.5%

Sun

74.5%

On-time by month

73.3%

Sep

80.6%

Oct

76.7%

Nov

68.4%

Dec

73.1%

Jan

74.1%

Feb

66.7%

Mar

93.1%

Apr

87.1%

May

70.0%

Jun

67.7%

Jul

80.6%

Aug

← All flights on SEA–IAD