Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

ASA425

Operated by Alaska Airlines

Live map

Live map filtered to ASA425. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
18:19 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
FEW 2,600 ft
Temp / Dew
18°C / 9°C
Altimeter
29.90 inHg

Obs: 2026-10-13T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 130056Z 27010KT 10SM FEW026 18/09 A2990 RMK AO2 SLP126 T01830089 $

TAF KSFO 122320Z 1300/1406 28012KT P6SM SKC FM130300 28006KT P6SM SKC FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC FM140400 28007KT P6SM SKC

flight Live Traffic

flight_takeoff 238 Departures
flight_land 267 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
21:19 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
350° / 9 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
19°C / 13°C
Altimeter
29.81 inHg

Obs: 2026-10-13T00:54:00.000Z

Raw METAR / TAF 
METAR KBOS 130054Z 35009KT 10SM SCT250 19/13 A2981 RMK AO2 SLP094 T01890128

TAF KBOS 122333Z 1300/1406 31007KT P6SM FEW030 BKN200 FM130300 35007KT P6SM BKN035 FM130500 05010KT 6SM BR OVC020 FM130600 06012G18KT 6SM BR VCSH OVC008 PROB30 1308/1311 4SM -SHRA BR OVC006 FM131100 07012KT 5SM BR VCSH OVC008 FM131700 12009KT 5SM BR VCSH FEW004 OVC008 PROB30 1319/1401 4SM -SHRA OVC006

flight Live Traffic

flight_takeoff 192 Departures
flight_land 203 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A24A0A SFO → BOS Jul 25, 21:50 UTCJul 26, 00:20 UTC2h 30m - -
2026-07-24 A2B919 SFO → BOS Jul 24, 22:00 UTCJul 25, 00:30 UTC2h 30m - -
2026-07-23 A2C087 SFO → BOS Jul 23, 22:25 UTCJul 24, 00:38 UTC2h 13m +48m +2m
2026-07-23 A2C087 SFO → BOS Jul 23, 22:20 UTCJul 23, 23:45 UTC1h 25m - -
2026-07-22 A677CA SFO → BOS Jul 22, 21:50 UTCJul 23, 00:15 UTC2h 25m - -
2026-07-21 A706EA SFO → BOS Jul 21, 21:55 UTCJul 22, 00:25 UTC2h 30m - -
2026-07-20 AD99F9 SFO → BOS Jul 20, 22:05 UTCJul 21, 00:25 UTC2h 20m - -
2026-07-19 A25B3F PHX → SEA Jul 19, 22:15 UTCJul 20, 00:35 UTC2h 20m - -
2026-07-18 A535C2 PHX → SEA Jul 18, 22:55 UTCJul 19, 01:20 UTC2h 25m - -
2026-07-17 A2EBBD - Jul 17, 23:20 UTCJul 18, 02:00 UTC2h 40m - -
2026-07-16 A78C43 PHX → SEA Jul 16, 22:49 UTCJul 17, 01:15 UTC2h 25m - -
2026-07-15 AD727A PHX → SEA Jul 15, 22:05 UTCJul 16, 00:25 UTC2h 20m - -
2026-07-14 A54AAE PHX → SEA Jul 14, 23:25 UTCJul 15, 01:45 UTC2h 20m - -
2026-07-13 A5B3AD PHX → SEA Jul 13, 23:30 UTCJul 14, 02:00 UTC2h 30m - -
2026-07-12 A2B919 PHX → SEA Jul 12, 22:10 UTCJul 13, 00:30 UTC2h 20m - -
2026-07-11 AD5FE7 PHX → SEA Jul 11, 21:55 UTCJul 12, 00:25 UTC2h 30m - -
2026-07-11 AD5FE7 PHX → SEA Jul 11, 21:55 UTCJul 12, 00:21 UTC2h 26m +18m +12m
2026-07-10 A30F85 PHX → SEA Jul 10, 22:00 UTCJul 11, 00:35 UTC2h 35m - -
2026-07-09 A262AD PHX → SEA Jul 9, 22:50 UTCJul 10, 01:25 UTC2h 35m - -
2026-07-08 A2B1AB PHX → SEA Jul 8, 21:50 UTCJul 9, 00:30 UTC2h 40m - -
2026-07-07 AD2AEA PHX → SEA Jul 7, 21:50 UTCJul 8, 00:20 UTC2h 30m - -
2026-07-06 A2CE05 PHX → SEA Jul 6, 21:55 UTCJul 7, 00:25 UTC2h 30m - -
2026-07-06 A96AE3 - Jul 6, 00:20 UTCJul 6, 00:25 UTC5m - -
2026-07-05 A96AE3 PHX → SEA Jul 5, 22:00 UTCJul 6, 00:05 UTC2h 5m +23m +13m
2026-07-05 A96AE3 PHX → SEA Jul 5, 21:50 UTCJul 6, 00:25 UTC2h 35m - -
2026-07-04 A2D573 PHX → SEA Jul 4, 21:45 UTCJul 5, 00:15 UTC2h 30m - -
2026-07-03 A2EBBD PHX → SEA Jul 3, 21:45 UTCJul 4, 00:25 UTC2h 40m - -
2026-07-02 A4CA6A PHX → SEA Jul 2, 21:50 UTCJul 3, 00:30 UTC2h 40m - -
2026-07-02 A4CA6A PHX → SEA Jul 2, 21:46 UTCJul 3, 00:16 UTC2h 30m +9m -4m
2026-07-01 ACBE34 - Jul 1, 22:05 UTCJul 2, 00:35 UTC2h 30m - -

Performance history

Flights tracked
128 showing last 30
Avg arrival delay
+6m
On-time arrival
100% 100% on time
Aircraft used
23

Monthly activity 4 months

Month Flights tracked
July 2026 30
June 2026 37
May 2026 36
April 2026 25

ASA425 frequently asked

Where does flight ASA425 fly?
ASA425 (Alaska Airlines) flies from SFO to BOS. View the full route page.
How long is flight ASA425?
Based on observed flights, ASA425 takes on average 2h 21m from takeoff to landing.
How often does ASA425 fly?
ASA425 has been observed flying daily in our tracking data. We've recorded 128 flights under this callsign.
Is flight ASA425 usually on time?
Across recent flights, ASA425 arrives with an average 6-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA425?
ASA425 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA425 live?
Yes. When ASA425 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.