Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

ASA39

Operated by Alaska Airlines

Live map

Live map filtered to ASA39. Shown when the flight is currently airborne.

Route airports View route page →

Departure

JFK KJFK VFR

John F. Kennedy International Airport

New York, US

Local time
02:23 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
13 ft
Coordinates
40.6394, -73.7793

cloud Weather

Wind
250° / 12 kt
Visibility
10 SM
Ceiling
BKN 10,000 ft, BKN 13,000 ft
Temp / Dew
18°C / 12°C
Altimeter
29.68 inHg

Obs: 2026-05-30T05:51:00.000Z

Raw METAR / TAF 
METAR KJFK 300551Z 25012KT 10SM BKN100 BKN130 18/12 A2968 RMK AO2 SLP050 60000 T01830122 10206 20172 58015 $

TAF KJFK 300538Z 3006/3112 27015G23KT P6SM BKN070 BKN100 FM300700 32019G25KT P6SM SCT070 BKN100 FM301100 33027G35KT P6SM BKN040 BKN100 FM302100 36017G26KT P6SM SCT040 BKN100 FM310100 02011KT P6SM SKC FM310600 33005KT P6SM SKC

flight Live Traffic

flight_takeoff 141 Departures
flight_land 113 Arrivals

Arrival

SFO KSFO IFR

San Francisco International Airport

San Francisco, US

Local time
23:23 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 11 kt
Visibility
10 SM
Ceiling
OVC 800 ft
Temp / Dew
12°C / 11°C
Altimeter
30.12 inHg

Obs: 2026-05-30T05:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300556Z 28011KT 10SM OVC008 12/11 A3012 RMK AO2 SLP198 T01220106 10167 20122 52010

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 216 Departures
flight_land 205 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-28 A95FBE JFK → SFO May 28, 18:45 UTCMay 28, 19:00 UTC15m - -
2026-05-28 A95FBE JFK → SFO May 28, 14:15 UTCMay 28, 14:45 UTC30m - -
2026-05-28 A95FBE JFK → SFO May 28, 14:14 UTCMay 28, 19:05 UTC4h 51m +14m +11m
2026-05-26 ACE96A JFK → SFO May 26, 18:45 UTCMay 26, 18:55 UTC10m - -
2026-05-26 ACE96A JFK → SFO May 26, 14:20 UTCMay 26, 14:45 UTC25m - -
2026-05-24 A73D45 JFK → SFO May 24, 18:30 UTCMay 24, 18:50 UTC20m - -
2026-05-24 A73D45 JFK → SFO May 24, 14:15 UTCMay 24, 14:40 UTC25m - -
2026-05-24 A73D45 JFK → SFO May 24, 14:13 UTCMay 24, 18:46 UTC4h 33m +13m -9m
2026-05-23 A9D284 JFK → SFO May 23, 18:55 UTCMay 23, 19:10 UTC15m - -
2026-05-23 A9D284 JFK → SFO May 23, 14:30 UTCMay 23, 15:15 UTC45m - -
2026-05-23 A9D284 JFK → SFO May 23, 14:27 UTCMay 23, 19:06 UTC4h 39m +27m +32m
2026-05-21 A9CECD JFK → SFO May 21, 14:20 UTCMay 21, 19:00 UTC4h 40m - -
2026-05-21 A9CECD JFK → SFO May 21, 14:27 UTCMay 21, 18:57 UTC4h 30m +27m +22m
2026-05-19 A9D63B JFK → SFO May 19, 19:15 UTCMay 19, 19:30 UTC15m - -
2026-05-19 A9D63B JFK → SFO May 19, 14:35 UTCMay 19, 14:55 UTC20m - -
2026-05-19 A9D63B JFK → SFO May 19, 14:30 UTCMay 19, 19:19 UTC4h 49m +30m +7m
2026-05-17 AB1842 JFK → SFO May 17, 19:01 UTCMay 17, 19:10 UTC10m - -
2026-05-17 AB1842 JFK → SFO May 17, 14:25 UTCMay 17, 14:50 UTC25m - -
2026-05-16 A9AEBC JFK → SFO May 16, 19:05 UTCMay 16, 19:15 UTC10m - -
2026-05-16 A9AEBC JFK → SFO May 16, 14:20 UTCMay 16, 14:46 UTC25m - -
2026-05-14 ADBDC1 JFK → SFO May 14, 19:10 UTCMay 14, 19:20 UTC10m - -
2026-05-14 ADBDC1 JFK → SFO May 14, 14:35 UTCMay 14, 15:01 UTC25m - -
2026-05-12 AD7D9F JFK → SFO May 12, 18:50 UTCMay 12, 18:55 UTC5m - -
2026-05-12 AD7D9F JFK → SFO May 12, 14:20 UTCMay 12, 15:01 UTC40m - -
2026-05-10 A97608 JFK → SFO May 10, 19:05 UTCMay 10, 19:19 UTC15m - -
2026-05-10 A97608 JFK → SFO May 10, 14:25 UTCMay 10, 14:54 UTC30m - -
2026-05-09 AD6B0C JFK → SFO May 9, 19:19 UTCMay 9, 19:25 UTC5m - -
2026-05-09 AD6B0C JFK → SFO May 9, 14:25 UTCMay 9, 14:50 UTC25m - -
2026-05-07 AC9E23 JFK → SFO May 7, 19:00 UTCMay 7, 19:05 UTC5m - -
2026-05-07 AC9E23 JFK → SFO May 7, 14:20 UTCMay 7, 14:45 UTC25m - -

Performance history

Flights tracked
62 showing last 30
Avg arrival delay
+13m
On-time arrival
60% 60% on time
Aircraft used
13

Monthly activity 2 months

Month Flights tracked
May 2026 36
April 2026 26

ASA39 frequently asked

Where does flight ASA39 fly?
ASA39 (Alaska Airlines) flies from JFK to SFO. View the full route page.
How long is flight ASA39?
Based on observed flights, ASA39 takes on average 1h 12m from takeoff to landing.
How often does ASA39 fly?
ASA39 has been observed flying several times a week in our tracking data. We've recorded 62 flights under this callsign.
Is flight ASA39 usually on time?
Across recent flights, ASA39 arrives with an average 13-minute delay. 60% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA39?
ASA39 has been operated by 13 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA39 live?
Yes. When ASA39 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.