Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

ASA357

Operated by Alaska Airlines

Live map

Live map filtered to ASA357. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS MVFR

Boston Logan International Airport

Boston, US

Local time
06:42 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
280° / 11 kt
Visibility
10 SM
Ceiling
BKN 1,400 ft, BKN 2,700 ft, BKN 11,000 ft
Temp / Dew
12°C / 9°C
Altimeter
29.63 inHg

Obs: 2026-05-30T09:54:00.000Z

Raw METAR / TAF 
METAR KBOS 300954Z 28011KT 10SM BKN014 BKN027 BKN110 12/09 A2963 RMK AO2 PK WND 29026/0902 SLP032 T01170089

TAF KBOS 300901Z 3009/3112 30013G22KT P6SM SCT015 BKN030 FM301000 36020G32KT P6SM VCSH SCT010 OVC015 FM301200 03025G44KT 3SM RA BR SCT008 OVC010 FM302200 01017G28KT P6SM VCSH BKN020 FM310000 01013G20KT P6SM BKN060 FM310300 33010KT P6SM SCT250

flight Live Traffic

flight_takeoff 360 Departures
flight_land 338 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
03:42 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
OVC 1,200 ft
Temp / Dew
13°C / 10°C
Altimeter
30.09 inHg

Obs: 2026-05-30T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300956Z 24005KT 10SM OVC012 13/10 A3009 RMK AO2 SLP190 T01280100

TAF KSFO 300900Z 3009/3112 27008KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 142 Departures
flight_land 122 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 AD727A BOS → SFO May 29, 20:00 UTCMay 29, 20:45 UTC45m - -
2026-05-29 AD727A BOS → SFO May 29, 20:05 UTCMay 29, 20:38 UTC33m +19m +13m
2026-05-28 A5C4E2 BOS → SFO May 28, 20:00 UTCMay 28, 20:45 UTC45m - -
2026-05-28 A5C4E2 BOS → SFO May 28, 19:59 UTCMay 28, 20:38 UTC39m +13m +12m
2026-05-27 A6EE47 BOS → SFO May 27, 19:55 UTCMay 27, 20:40 UTC45m - -
2026-05-26 A67B81 BOS → SFO May 26, 20:05 UTCMay 26, 20:50 UTC45m - -
2026-05-25 A5C4E2 BOS → SFO May 25, 20:19 UTCMay 25, 20:59 UTC40m - -
2026-05-25 A5C4E2 BOS → SFO May 25, 20:15 UTCMay 25, 20:49 UTC34m +29m +7m
2026-05-24 A9E8CE BOS → SFO May 24, 19:55 UTCMay 24, 20:45 UTC50m - -
2026-05-23 A6B435 BOS → SFO May 23, 20:00 UTCMay 23, 20:45 UTC45m - -
2026-05-22 A25B3F BOS → SFO May 22, 20:00 UTCMay 22, 20:50 UTC50m - -
2026-05-21 AD2733 BOS → SFO May 21, 20:00 UTCMay 21, 20:45 UTC45m - -
2026-05-20 A6AA6E BOS → SFO May 20, 20:00 UTCMay 20, 20:45 UTC45m - -
2026-05-19 A2E806 BOS → SFO May 19, 22:25 UTCMay 19, 23:15 UTC50m - -
2026-05-18 ACDFA3 BOS → SFO May 18, 20:25 UTCMay 18, 21:05 UTC40m - -
2026-05-17 AD6755 BOS → SFO May 17, 20:15 UTCMay 17, 21:01 UTC45m - -
2026-05-16 AB349C BOS → SFO May 16, 20:00 UTCMay 16, 20:45 UTC45m - -
2026-05-15 A99262 BOS → SFO May 15, 20:55 UTCMay 15, 21:40 UTC45m - -
2026-05-15 A99262 BOS → SFO May 15, 20:49 UTCMay 15, 21:37 UTC48m +63m +13m
2026-05-14 A5FEF4 BOS → SFO May 14, 20:00 UTCMay 14, 20:45 UTC45m - -
2026-05-13 ACF48F BOS → SFO May 13, 20:05 UTCMay 13, 20:50 UTC45m - -
2026-05-09 A6B435 BOS → SFO May 9, 20:10 UTCMay 9, 20:40 UTC30m - -
2026-05-02 A6B435 BOS → SFO May 2, 20:05 UTCMay 3, 00:45 UTC4h 40m - -
2026-04-25 AB1FB0 BOS → SFO Apr 25, 20:00 UTCApr 26, 01:00 UTC5h 0m - -
2026-04-25 AB1FB0 BOS → SFO Apr 25, 19:59 UTCApr 26, 01:07 UTC5h 8m +1m -6m
2026-04-21 A21ED4 BOS → SFO Apr 21, 21:15 UTCApr 22, 02:45 UTC5h 30m - -
2026-04-20 A22642 BOS → SFO Apr 20, 22:40 UTCApr 21, 04:20 UTC5h 40m - -
2026-04-19 AD1857 BOS → SFO Apr 19, 21:15 UTCApr 20, 02:55 UTC5h 40m - -
2026-04-18 A30BCE BOS → SFO Apr 18, 21:10 UTCApr 19, 02:40 UTC5h 30m - -
2026-04-18 A4B7D7 BOS → SFO Apr 18, 01:45 UTCApr 18, 02:55 UTC1h 10m - -

Performance history

Flights tracked
46 showing last 30
Avg arrival delay
+8m
On-time arrival
100% 100% on time
Aircraft used
22

Monthly activity 2 months

Month Flights tracked
May 2026 23
April 2026 23

ASA357 frequently asked

Where does flight ASA357 fly?
ASA357 (Alaska Airlines) flies from BOS to SFO. View the full route page.
How long is flight ASA357?
Based on observed flights, ASA357 takes on average 1h 48m from takeoff to landing.
How often does ASA357 fly?
ASA357 has been observed flying several times a week in our tracking data. We've recorded 46 flights under this callsign.
Is flight ASA357 usually on time?
Across recent flights, ASA357 arrives with an average 8-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA357?
ASA357 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA357 live?
Yes. When ASA357 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.