AS677 · SEA → SLC

Alaska Airlines · Seattle to Salt Lake City · last 12 months · 61 flights tracked

81.7%on-time

AS677 SEA→SLC: 81.7% on-time over 61 flights (last 12 months) — solid. It trails the route average (83.4%) by 1.7 points. Best day to fly: Sat (100.0%); worst: Thu (40.0%). Seasonality matters: Jan is the most reliable month (92.0%), Mar the worst (72.7%). Cancellation rate is 1.6% — have a backup plan. Average arrival delay: 9.1 minutes.

Data: US BTS, last 12 months.

9.1 minavg arrival delay

1.6%cancelled

0diverted

61flights tracked

Arrival delay distribution

Early/on time · 351–60 min · 2261–180 min · 3180+ min · 0

On-time by day of week

Mon

70.0%

Tue

100.0%

Wed

100.0%

Thu

40.0%

Fri

88.9%

Sat

100.0%

Sun

90.0%

On-time by month

92.0%

Jan

75.0%

Feb

72.7%

Mar

← All flights on SEA–SLC