Alaska Airlines

AS321Seattle to Sacramento

Name: Alaska Airlines AS321 Seattle to Sacramento: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Alaska Airlines flight AS321 flies from Seattle Tacoma (SEA) to Sacramento (SMF), 975 km. Over August 2025 to July 2026 it usually arrives about 8 minutes late: 75% of 167 flights arrived within 15 minutes of schedule and 0.6% were cancelled (US Department of Transportation data).

On-time record, last 12 months

75%

on time (within 15 min)

15%

more than 30 min late

0.6%

cancelled

+8 min

average arrival vs schedule

Every operation of AS321, August 2025 to July 2026: 167 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as AS321

Seattle Tacoma (SEA) to Sacramento (SMF)60 flights
Los Angeles (LAX) to Anchorage (ANC)49 flights
Chicago O'Hare (ORD) to Seattle Tacoma (SEA)35 flights
Anchorage (ANC) to San Francisco (SFO)10 flights
Spokane (GEG) to Seattle Tacoma (SEA)8 flights
Bethel (BET) to Anchorage (ANC)2 flights
Seattle Tacoma (SEA) to Philadelphia (PHL)1 flights
Anchorage (ANC) to Seattle Tacoma (SEA)1 flights
Los Angeles (LAX) to Boise (BOI)1 flights

Other flights from Seattle to Sacramento

OO3035 OO3049 OO3272 OO3321 OO3328 OO3329 OO3505 OO3881 OO3897 OO4009 OO4043 OO4125

More about Seattle Tacoma (SEA) and Sacramento (SMF).

Embed this on your site

A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.

Dark badge, HTML

<a href="https://tripstow.com/flights/as321" title="AS321 is on time 75% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as321.svg" alt="AS321 is on time 75% of the time" width="360" height="88" loading="lazy"></a>

Light badge, HTML

<a href="https://tripstow.com/flights/as321" title="AS321 is on time 75% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as321.svg?theme=light" alt="AS321 is on time 75% of the time" width="360" height="88" loading="lazy"></a>

Markdown, for forums and README files

[![AS321 is on time 75% of the time](https://tripstow.com/badge/flights/as321.svg)](https://tripstow.com/flights/as321)

Flying soon?

Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.

Start free