Apparatus

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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
14:49 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 17G26 kt
Visibility
10 SM
Ceiling
FEW 500 ft, SCT 1,000 ft, BKN 10,000 ft, BKN 20,000 ft
Temp / Dew
17°C / 13°C
Altimeter
30.03 inHg

Obs: 2026-08-28T20:56:00.000Z

Raw METAR / TAF 
METAR KSFO 282056Z 28017G26KT 10SM FEW005 SCT010 BKN100 BKN200 17/13 A3003 RMK AO2 PK WND 26026/2048 SLP169 T01720133 50005

TAF KSFO 282047Z 2821/2924 28016KT P6SM VCSH SCT010 BKN100 FM290600 28012KT P6SM FEW012 FM291000 29008KT P6SM SCT012 FM291800 29015KT P6SM FEW015

flight Live Traffic

flight_takeoff 198 Departures
flight_land 189 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
17:49 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
140° / 9 kt
Visibility
10 SM
Ceiling
SCT 4,700 ft, BKN 6,000 ft, BKN 10,000 ft
Temp / Dew
25°C / 21°C
Altimeter
29.95 inHg

Obs: 2026-08-28T20:54:00.000Z

Raw METAR / TAF 
METAR KBOS 282054Z 14009KT 10SM SCT047 BKN060 BKN100 25/21 A2995 RMK AO2 SLP141 T02500206 56008 $

TAF KBOS 282028Z 2820/2924 10010KT P6SM SCT045 PROB30 2820/2823 4SM TSRA OVC035CB FM282300 21004KT P6SM BKN100 FM290200 30005KT P6SM SCT250 FM290600 33008KT P6SM SCT200 FM291600 08004KT P6SM SKC

flight Live Traffic

flight_takeoff 209 Departures
flight_land 206 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.