Apparatus

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flight_takeoff Flight

ASA257

Operated by Alaska Airlines

Live map

Live map filtered to ASA257. 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
18:20 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
62 ft
Coordinates
37.3625, -121.9292

cloud Weather

Wind
340° / 8 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, BKN 14,000 ft
Temp / Dew
21°C / 13°C
Altimeter
29.97 inHg

Obs: 2026-08-29T00:53:00.000Z

Raw METAR / TAF 
METAR KSJC 290053Z 34008KT 10SM FEW080 BKN140 21/13 A2997 RMK AO2 SLP148 T02060133

TAF KSJC 282335Z 2900/2924 32010KT P6SM BKN120 FM290300 33006KT P6SM FEW120 FM291200 32003KT P6SM SCT010 FM291800 32012KT P6SM SKC

flight Live Traffic

flight_takeoff 45 Departures
flight_land 39 Arrivals

Arrival

KOA PHKO VFR

Ellison Onizuka Kona International Airport at Keāhole

Kailua-Kona, US

Local time
15:20 HST
Timezone
Pacific/Honolulu
Type
Large Airport
Elevation
47 ft
Coordinates
19.7388, -156.0456

cloud Weather

Wind
230° / 9 kt
Visibility
10 SM
Ceiling
FEW 3,600 ft, SCT 7,000 ft
Temp / Dew
28°C / 22°C
Altimeter
29.89 inHg

Obs: 2026-08-29T00:53:00.000Z

Raw METAR / TAF 
METAR PHKO 290053Z COR 23009KT 10SM FEW036 SCT070 28/22 A2989 RMK AO2 SLP119 T02830217

TAF PHKO 282327Z 2900/3006 24010KT P6SM VCSH SCT035 SCT050 FM290400 16007KT P6SM BKN050 FM291100 08006KT P6SM SCT050 FM292000 22010KT P6SM SCT060

flight Live Traffic

flight_takeoff 11 Departures
flight_land 11 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A2B919 SJC → KOA Jul 26, 00:15 UTCJul 26, 02:29 UTC2h 14m -7m -10m
2026-07-23 A70AA1 SJC → KOA Jul 23, 03:10 UTCJul 23, 03:20 UTC10m - -
2026-07-23 A70AA1 SJC → KOA Jul 23, 00:25 UTCJul 23, 02:54 UTC2h 29m +3m +6m
2026-07-16 A735D7 ADK → ANC Jul 16, 01:15 UTCJul 16, 03:25 UTC2h 10m +53m -2m
2026-07-12 A793B1 - Jul 12, 01:45 UTCJul 12, 03:01 UTC1h 15m - -
2026-07-09 A4B420 - Jul 9, 01:05 UTCJul 9, 02:40 UTC1h 35m - -
2026-07-04 AD9642 ANC → ANC Jul 4, 20:10 UTCJul 5, 02:40 UTC6h 30m - -
2026-07-02 A2B1AB - Jul 2, 01:25 UTCJul 2, 02:35 UTC1h 10m - -
2026-06-28 A7E151 - Jun 28, 01:34 UTCJun 28, 02:44 UTC1h 10m - -
2026-06-28 A7E151 ADK → ANC Jun 28, 00:18 UTCJun 28, 02:41 UTC2h 23m -4m -19m
2026-06-25 A613E0 - Jun 25, 01:40 UTCJun 25, 03:04 UTC1h 25m - -
2026-06-18 A29551 SJC → KOA Jun 18, 00:31 UTCJun 18, 02:58 UTC2h 27m +9m -9m
2026-06-14 A2B562 SJC → KOA Jun 14, 01:25 UTCJun 14, 02:35 UTC1h 10m - -
2026-06-13 A2B562 SJC → KOA Jun 13, 23:59 UTCJun 14, 02:31 UTC2h 32m -23m -5m
2026-06-10 A30BCE SJC → KOA Jun 10, 20:10 UTCJun 11, 02:55 UTC6h 45m - -
2026-06-09 AB8751 SJC → KOA Jun 9, 18:35 UTCJun 9, 20:20 UTC1h 45m - -
2026-06-09 AB8751 SJC → KOA Jun 9, 18:25 UTCJun 9, 20:09 UTC1h 44m +28m +6m
2026-06-08 A720EB SJC → KOA Jun 8, 18:05 UTCJun 8, 19:55 UTC1h 50m - -
2026-06-07 A657B9 SJC → KOA Jun 7, 18:10 UTCJun 7, 20:00 UTC1h 50m - -
2026-06-06 A6705C SJC → KOA Jun 6, 18:09 UTCJun 6, 20:05 UTC1h 55m - -
2026-06-05 A7A4E6 SJC → KOA Jun 5, 18:00 UTCJun 5, 19:55 UTC1h 55m - -
2026-06-04 AB79D3 SJC → KOA Jun 4, 18:15 UTCJun 4, 19:55 UTC1h 40m - -
2026-06-03 A6AA6E SJC → KOA Jun 3, 18:30 UTCJun 3, 19:42 UTC1h 12m +33m -13m
2026-06-03 A6AA6E SJC → KOA Jun 3, 18:00 UTCJun 3, 18:10 UTC10m - -
2026-06-02 A715C6 SJC → KOA Jun 2, 18:05 UTCJun 2, 19:50 UTC1h 45m - -
2026-06-01 AB761C SJC → KOA Jun 1, 18:15 UTCJun 1, 20:05 UTC1h 50m - -
2026-05-31 A720EB SJC → KOA May 31, 18:05 UTCMay 31, 19:55 UTC1h 50m - -
2026-05-30 A668EE SJC → KOA May 30, 18:20 UTCMay 30, 20:10 UTC1h 50m - -
2026-05-29 A73D45 SJC → KOA May 29, 18:05 UTCMay 29, 20:05 UTC2h 0m - -
2026-05-28 A6B435 SJC → KOA May 28, 18:10 UTCMay 28, 20:00 UTC1h 50m - -

Performance history

Flights tracked
86 showing last 30
Avg arrival delay
-6m
On-time arrival
100% 100% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 8
June 2026 18
May 2026 38
April 2026 22

ASA257 frequently asked

Where does flight ASA257 fly?
ASA257 (Alaska Airlines) flies from SJC to KOA. View the full route page.
How long is flight ASA257?
Based on observed flights, ASA257 takes on average 2h 1m from takeoff to landing.
How often does ASA257 fly?
ASA257 has been observed flying daily in our tracking data. We've recorded 86 flights under this callsign.
Is flight ASA257 usually on time?
Across recent flights, ASA257 arrives 6 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA257?
ASA257 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA257 live?
Yes. When ASA257 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.