AS4 · SEA → DCA

Alaska Airlines · Seattle to Washington National · last 12 months · 364 flights tracked

85.2%on-time

AS4 SEA→DCA: 85.2% on-time over 364 flights (last 12 months) — excellent. It beats the route average (82.6%) by 2.6 points. Best day to fly: Wed (96.2%); worst: Mon (77.4%). Seasonality matters: May is the most reliable month (96.8%), Sep the worst (66.7%). Average arrival delay: 7.3 minutes.

Data: US BTS, last 12 months.

7.3 minavg arrival delay

0.3%cancelled

4diverted

364flights tracked

Arrival delay distribution

Early/on time · 2751–60 min · 7161–180 min · 12180+ min · 1

On-time by day of week

Mon

77.4%

Tue

84.3%

Wed

96.2%

Thu

78.8%

Fri

84.3%

Sat

94.0%

Sun

82.0%

On-time by month

66.7%

Sep

80.6%

Oct

83.3%

Nov

90.3%

Dec

86.7%

Jan

75.0%

Feb

83.9%

Mar

90.0%

Apr

96.8%

May

93.3%

Jun

76.7%

Jul

87.1%

Aug

← All flights on SEA–DCA