AS306 · BOS → SEA

Alaska Airlines · Boston to Seattle · last 12 months · 129 flights tracked

57.9%on-time
AS306 BOS→SEA: 57.9% on-time over 129 flights (last 12 months) — below average. It trails the route average (70.1%) by 12.2 points. Best day to fly: Wed (82.4%); worst: Thu (38.9%). Seasonality matters: Nov is the most reliable month (63.6%), Mar the worst (30.0%). Cancellation rate is 1.6% — have a backup plan. Average arrival delay: 21.7 minutes.
Data: US BTS, last 12 months.
21.7 minavg arrival delay
1.6%cancelled
1diverted
129flights tracked

Arrival delay distribution

Early/on time · 491–60 min · 6661–180 min · 10180+ min · 1

On-time by day of week

Mon
50.0%
Tue
63.6%
Wed
82.4%
Thu
38.9%
Fri
55.0%
Sat
81.2%
Sun
45.5%

On-time by month

100.0%
Oct
63.6%
Nov
50.0%
Dec
30.0%
Mar
50.0%
Apr
61.3%
May
77.8%
Jun
53.8%
Aug

← All flights on BOS–SEA