AS351 · IAD → SEA

Alaska Airlines · Washington Dulles to Seattle · last 12 months · 244 flights tracked

75.6%on-time

AS351 IAD→SEA: 75.6% on-time over 244 flights (last 12 months) — solid. It trails the route average (77.7%) by 2.1 points. Seasonality matters: May is the most reliable month (96.8%), Dec the worst (26.7%). Average arrival delay: 13.2 minutes.

Data: US BTS, last 12 months.

13.2 minavg arrival delay

0.8%cancelled

0diverted

244flights tracked

Arrival delay distribution

Early/on time · 1441–60 min · 8361–180 min · 14180+ min · 1

On-time by day of week

Mon

75.0%

Tue

75.0%

Wed

79.4%

Thu

76.5%

Fri

73.5%

Sat

74.3%

Sun

75.8%

On-time by month

96.7%

Sep

86.7%

Oct

65.5%

Nov

26.7%

Dec

33.3%

Jan

81.2%

Feb

67.7%

Mar

86.7%

Apr

96.8%

May

100.0%

Jun

← All flights on IAD–SEA