Flight ASA521 AS521

Alaska Airlines · N917AK · B39M

Last contact 1 day ago
KSEA
Seattle–Tacoma International Airport
Seattle
→
KSJC
Mineta San Jose International Airport
San Jose
Altitude
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Ground speed
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Vertical rate
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Track
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Squawk
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Source
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Figures refresh every 15 seconds while the flight is airborne.

Aircraft page

30-day history

Date Aircraft From To First contact Last On air Max altitude
29.10.2026 N917AK KSEA Seattle KSJC San Jose 23:47 UTC 01:44 UTC 1 h 56 min 34 000 ft
29.10.2026 N917AK KSEA Seattle KSJC San Jose 20:44 UTC 22:46 UTC 2 h 2 min 37 000 ft
28.10.2026 A9C506 KSEA Seattle KSJC San Jose 23:41 UTC 01:37 UTC 1 h 56 min 36 000 ft
28.10.2026 A9C506 KSEA Seattle KSJC San Jose 18:52 UTC 21:05 UTC 2 h 12 min 35 000 ft
27.10.2026 A706EA KSEA Seattle KSJC San Jose 23:41 UTC 01:44 UTC 2 h 2 min 38 000 ft
27.10.2026 A706EA KSEA Seattle KSJC San Jose 20:44 UTC 22:39 UTC 1 h 55 min 39 000 ft
26.10.2026 AB1BF9 KSEA Seattle KSJC San Jose 23:37 UTC 01:49 UTC 2 h 11 min 38 000 ft
26.10.2026 AB1BF9 KSEA Seattle KSJC San Jose 20:39 UTC 22:28 UTC 1 h 49 min 35 000 ft
25.10.2026 A67F38 KSEA Seattle KSJC San Jose 23:47 UTC 01:42 UTC 1 h 55 min 38 025 ft
25.10.2026 A67F38 KSEA Seattle KSJC San Jose 20:37 UTC 22:49 UTC 2 h 13 min 37 000 ft
24.10.2026 N942AK KSEA Seattle KSJC San Jose 23:37 UTC 01:39 UTC 2 h 2 min 38 000 ft
24.10.2026 N942AK KSEA Seattle KSJC San Jose 20:47 UTC 22:37 UTC 1 h 49 min 37 000 ft
23.10.2026 A720EB KSEA Seattle KSJC San Jose 23:52 UTC 02:16 UTC 2 h 23 min 36 000 ft
23.10.2026 A720EB KSEA Seattle KSJC San Jose 21:02 UTC 22:42 UTC 1 h 40 min 37 000 ft
22.10.2026 N920AK KSEA Seattle KSJC San Jose 23:42 UTC 01:41 UTC 1 h 59 min 34 000 ft
22.10.2026 N920AK KSEA Seattle KSJC San Jose 20:54 UTC 22:51 UTC 1 h 57 min 35 025 ft
21.10.2026 N962AK KSEA Seattle KSJC San Jose 23:44 UTC 01:52 UTC 2 h 8 min 36 000 ft
21.10.2026 N962AK KSEA Seattle KSJC San Jose 19:32 UTC 21:45 UTC 2 h 13 min 29 000 ft
21.10.2026 A78C43 KSEA Seattle KSJC San Jose 00:14 UTC 02:25 UTC 2 h 10 min 38 000 ft
20.10.2026 A78C43 KSEA Seattle KSJC San Jose 21:30 UTC 23:24 UTC 1 h 55 min 35 000 ft
19.10.2026 A668EE KSEA Seattle KSJC San Jose 23:44 UTC 01:35 UTC 1 h 50 min 36 000 ft
19.10.2026 A668EE KSEA Seattle KSJC San Jose 20:49 UTC 22:56 UTC 2 h 7 min 37 025 ft
19.10.2026 A24A0A KSEA Seattle KSJC San Jose 00:14 UTC 02:16 UTC 2 h 2 min 34 000 ft
18.10.2026 A24A0A KSEA Seattle KSJC San Jose 21:25 UTC 23:20 UTC 1 h 55 min 35 050 ft
17.10.2026 AB761C KSEA Seattle KSJC San Jose 23:42 UTC 01:52 UTC 2 h 9 min 38 000 ft
17.10.2026 AB761C KSEA Seattle KSJC San Jose 20:48 UTC 22:59 UTC 2 h 10 min 39 000 ft
16.10.2026 A24A0A KSEA Seattle KSJC San Jose 23:42 UTC 01:46 UTC 2 h 3 min 36 000 ft
16.10.2026 A24A0A KSEA Seattle KSJC San Jose 20:47 UTC 22:43 UTC 1 h 56 min 35 000 ft
15.10.2026 N946AK KSEA Seattle KSJC San Jose 23:42 UTC 02:20 UTC 2 h 38 min 32 000 ft
15.10.2026 N946AK KSEA Seattle KSJC San Jose 20:52 UTC 22:40 UTC 1 h 48 min 35 000 ft
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