AS737 · IAD → SEA

Alaska Airlines · Washington Dulles to Seattle · last 12 months · 160 flights tracked

58.2%on-time

AS737 IAD→SEA: 58.2% on-time over 160 flights (last 12 months) — below average. It trails the route average (77.7%) by 19.5 points. Best day to fly: Sat (65.0%); worst: Tue (45.0%). Seasonality matters: Jul is the most reliable month (66.7%), Mar the worst (14.3%). Average arrival delay: 26.3 minutes.

Data: US BTS, last 12 months.

26.3 minavg arrival delay

1.2%cancelled

0diverted

160flights tracked

Arrival delay distribution

Early/on time · 551–60 min · 8161–180 min · 18180+ min · 4

On-time by day of week

Mon

58.3%

Tue

45.0%

Wed

60.9%

Thu

56.5%

Fri

62.5%

Sat

65.0%

Sun

58.3%

On-time by month

14.3%

Mar

64.3%

Apr

63.0%

May

53.6%

Jun

66.7%

Jul

64.5%

Aug

← All flights on IAD–SEA