Apparatus

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flight_takeoff Flight

ASA321

Operated by Alaska Airlines

Live map

Live map filtered to ASA321. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SJC KSJC VFR

Norman Y. Mineta San Jose International Airport

San Jose, US

Local time
12:49 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
62 ft
Coordinates
37.3625, -121.9292

cloud Weather

Wind
350° / 8 kt
Visibility
10 SM
Ceiling
FEW 5,000 ft, BKN 8,000 ft, OVC 11,000 ft
Temp / Dew
20°C / 14°C
Altimeter
30.03 inHg

Obs: 2026-08-28T18:53:00.000Z

Raw METAR / TAF 
METAR KSJC 281853Z COR 35008KT 10SM FEW050 BKN080 OVC110 20/14 A3003 RMK AO2 SLP167 T02000144 $

TAF KSJC 281739Z 2818/2918 33008KT P6SM VCSH BKN080 FM282300 32012KT P6SM VCSH BKN150 FM290300 33006KT P6SM FEW100 FM291200 32003KT P6SM SCT015 FM291400 15003KT P6SM SCT015

flight Live Traffic

flight_takeoff 24 Departures
flight_land 26 Arrivals

Arrival

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
12:49 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
220° / 5 kt
Visibility
10 SM
Ceiling
SCT 2,400 ft, BKN 3,000 ft, BKN 4,900 ft
Temp / Dew
20°C / 12°C
Altimeter
30.07 inHg

Obs: 2026-08-28T19:27:00.000Z

Raw METAR / TAF 
SPECI KSEA 281927Z 22005KT 10SM SCT024 BKN030 BKN049 20/12 A3007 RMK AO2 T02000122 $

TAF KSEA 281727Z 2818/2924 22005KT P6SM BKN025 BKN035 FM282100 26006KT P6SM BKN050 FM290200 32006KT P6SM BKN050 FM290800 19007KT P6SM -SHRA OVC035 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030

flight Live Traffic

flight_takeoff 113 Departures
flight_land 85 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A1CC1F SJC → SEA Jul 25, 16:05 UTCJul 25, 20:35 UTC4h 30m - -
2026-07-18 A5320B SJC → SEA Jul 18, 16:30 UTCJul 18, 20:40 UTC4h 10m - -
2026-07-11 AD8B1D ANC → SFO Jul 11, 16:17 UTCJul 11, 20:18 UTC4h 1m +17m -4m
2026-07-11 AD8B1D - Jul 11, 16:15 UTCJul 11, 20:25 UTC4h 10m - -
2026-07-04 ACFFB4 ANC → SFO Jul 4, 16:10 UTCJul 4, 20:20 UTC4h 10m - -
2026-06-27 A56866 - Jun 27, 16:14 UTCJun 27, 19:55 UTC3h 40m - -
2026-06-20 A2228B ANC → SFO Jun 20, 16:05 UTCJun 20, 20:14 UTC4h 10m - -
2026-06-13 ACF0D8 SJC → SEA Jun 13, 16:00 UTCJun 13, 20:15 UTC4h 15m - -
2026-06-10 A2B919 SJC → SEA Jun 10, 03:15 UTCJun 10, 08:30 UTC5h 15m - -
2026-06-10 A2B919 SJC → SEA Jun 10, 03:14 UTCJun 10, 08:42 UTC5h 28m +14m +6m
2026-06-09 AD6755 SJC → SEA Jun 9, 03:15 UTCJun 9, 08:15 UTC5h 0m - -
2026-06-09 AD6755 SJC → SEA Jun 9, 03:14 UTCJun 9, 08:09 UTC4h 55m +14m +19m
2026-06-08 A6B435 SJC → SEA Jun 8, 03:10 UTCJun 8, 08:05 UTC4h 55m - -
2026-06-07 ADB29C SJC → SEA Jun 7, 03:10 UTCJun 7, 08:15 UTC5h 5m - -
2026-06-06 A9672C SJC → SEA Jun 6, 03:10 UTCJun 6, 08:10 UTC5h 0m - -
2026-06-05 AD14A0 SJC → SEA Jun 5, 03:20 UTCJun 5, 08:15 UTC4h 55m - -
2026-06-04 ACF0D8 SJC → SEA Jun 4, 03:40 UTCJun 4, 08:30 UTC4h 50m - -
2026-06-03 A28DE3 SJC → SEA Jun 3, 03:10 UTCJun 3, 08:00 UTC4h 50m - -
2026-06-03 A28DE3 SJC → SEA Jun 3, 03:10 UTCJun 3, 07:54 UTC4h 44m +10m -9m
2026-06-02 AD3FD6 SJC → SEA Jun 2, 03:50 UTCJun 2, 08:40 UTC4h 50m - -
2026-06-01 A7AC54 SJC → SEA Jun 1, 03:10 UTCJun 1, 08:10 UTC5h 0m - -
2026-05-30 A9672C SJC → SEA May 30, 03:15 UTCMay 30, 08:00 UTC4h 45m - -
2026-05-30 A9672C SJC → SEA May 30, 03:27 UTCMay 30, 07:52 UTC4h 25m +27m +5m
2026-05-29 A744B3 SJC → SEA May 29, 05:05 UTCMay 29, 09:50 UTC4h 45m - -
2026-05-29 A744B3 SJC → SEA May 29, 05:04 UTCMay 29, 09:50 UTC4h 46m +124m -9m
2026-05-28 A2B1AB SJC → SEA May 28, 03:15 UTCMay 28, 08:20 UTC5h 5m - -
2026-05-27 A30460 SJC → SEA May 27, 03:24 UTCMay 27, 08:20 UTC4h 56m - -
2026-05-26 A5BB1B SJC → SEA May 26, 03:15 UTCMay 26, 08:19 UTC5h 5m - -
2026-05-25 A5320B SJC → SEA May 25, 03:20 UTCMay 25, 08:05 UTC4h 45m - -
2026-05-24 A2EBBD SJC → SEA May 24, 03:15 UTCMay 24, 08:25 UTC5h 10m - -

Performance history

Flights tracked
90 showing last 30
Avg arrival delay
+1m
On-time arrival
83% 83% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 5
June 2026 16
May 2026 39
April 2026 30

ASA321 frequently asked

Where does flight ASA321 fly?
ASA321 (Alaska Airlines) flies from SJC to SEA. View the full route page.
How long is flight ASA321?
Based on observed flights, ASA321 takes on average 4h 43m from takeoff to landing.
How often does ASA321 fly?
ASA321 has been observed flying several times a week in our tracking data. We've recorded 90 flights under this callsign.
Is flight ASA321 usually on time?
Across recent flights, ASA321 arrives with an average 1-minute delay. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA321?
ASA321 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA321 live?
Yes. When ASA321 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.