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Is AS737 usually on time? Seattle to Washington

Alaska Airlines flight 737, SEA to IAD. The same number also flies Washington to Seattle; the figures below are for the Seattle to Washington leg.

Window: last 90 days, about 110 flights observed. Last refreshed: 2026-10-07.

On time
~85%
within 15 min
Typical arrival
on time
median, rounded
Worst 1 in 10
about 30 min
late or worse
Cancelled
none in the window
over the window

What we have seen

These describe the last 90 days. They are not a forecast for any one departure.

Related

Frequently asked

Is AS737 usually on time?
Over the last 90 days, about 85% of AS737 arrivals from Seattle to Washington landed within 15 minutes of schedule. The typical arrival was on time or early.
How late does AS737 get?
One arrival in ten was about 30 minutes late or worse.
How often is AS737 cancelled?
No cancellations over the window, across about 110 flights observed.
What aircraft flies AS737?
AS737 has most often been operated by a Boeing 737-900 over the last 90 days.

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