Flight ASA521 AS521

Alaska Airlines

Airborne now
KSEA
Seattle–Tacoma International Airport
Seattle
→
KSJC
Mineta San Jose International Airport
San Jose
Altitude
6 750 ft
Ground speed
262 kt
Vertical rate
-1089 ft/min
Track
106°
Squawk
1636
Source
OpenSky

Figures refresh every 15 seconds while the flight is airborne.

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30-day history

Date Aircraft From To First contact Last On air Max altitude
16.09.2026 A9AEBC KSEA Seattle KSJC San Jose 01:31 UTC 01:31 UTC 0 h 0 min 6 750 ft
16.09.2026 A9AEBC KSEA Seattle KSJC San Jose 01:15 UTC 01:15 UTC 0 h 0 min 30 975 ft
16.09.2026 A9AEBC KSEA Seattle KSJC San Jose 00:59 UTC 00:59 UTC 0 h 0 min 33 000 ft
16.09.2026 A9AEBC KSEA Seattle KSJC San Jose 00:44 UTC 00:44 UTC 0 h 0 min 33 000 ft
16.09.2026 A9AEBC KSEA Seattle KSJC San Jose 00:28 UTC 00:28 UTC 0 h 0 min 33 000 ft
15.09.2026 A9AEBC KSEA Seattle KSJC San Jose 23:58 UTC 00:13 UTC 0 h 15 min 31 200 ft
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