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flight_takeoff Flight

ASA9577

Operated by Alaska Airlines

Live map

Live map filtered to ASA9577. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS IFR

Boston Logan International Airport

Boston, US

Local time
10:03 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
40° / 26G42 kt
Visibility
2 SM
Ceiling
BKN 700 ft, BKN 1,200 ft, OVC 1,800 ft
Temp / Dew
10°C / 9°C
Altimeter
29.72 inHg
Wx
-RA BR

Obs: 2026-05-30T12:54:00.000Z

Raw METAR / TAF 
METAR KBOS 301254Z 04026G42KT 2SM R04R/4500VP6000FT -RA BR BKN007 BKN012 OVC018 10/09 A2972 RMK AO2 PK WND 02043/1232 RAB07E13B28 PRESRR SLP064 P0001 T01000089

TAF KBOS 301124Z 3012/3118 03020G32KT P6SM -RA SCT008 OVC015 FM301300 03022G44KT 6SM -RA BR SCT008 OVC010 TEMPO 3013/3017 3SM RA BR OVC008 FM302200 01017G28KT P6SM VCSH BKN020 FM310000 01013G20KT P6SM BKN060 FM310300 33010KT P6SM SCT250 FM310600 33007KT P6SM FEW250

flight Live Traffic

flight_takeoff 267 Departures
flight_land 185 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
07:03 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 1,100 ft, SCT 5,000 ft, BKN 25,000 ft
Temp / Dew
8°C / 7°C
Altimeter
30.23 inHg

Obs: 2026-05-30T12:53:00.000Z

Raw METAR / TAF 
METAR KSEA 301253Z 00000KT 10SM FEW011 SCT050 BKN250 08/07 A3023 RMK AO2 SLP244 T00780067 $

TAF KSEA 301120Z 3012/3118 09006KT P6SM FEW015 OVC050 FM301500 14005KT P6SM BKN030 OVC040 FM301900 28006KT P6SM BKN070 FM302200 31008KT P6SM SCT070 BKN250 FM310200 02009KT P6SM BKN250 FM310800 03007KT P6SM BKN250

flight Live Traffic

flight_takeoff 225 Departures
flight_land 307 Arrivals

Recent history last 16

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-26 A7FDAB BOS → SEA May 26, 19:55 UTCMay 27, 03:09 UTC7h 15m - -
2026-05-25 A9B62A BOS → SEA May 25, 14:35 UTCMay 25, 15:25 UTC50m - -
2026-05-25 A9B62A BOS → SEA May 25, 14:34 UTCMay 25, 15:08 UTC34m +34m +5m
2026-05-21 A677CA BOS → SEA May 21, 22:00 UTCMay 22, 03:45 UTC5h 45m - -
2026-05-19 A4CE21 BOS → SEA May 19, 15:35 UTCMay 19, 18:15 UTC2h 40m - -
2026-05-19 A4CE21 BOS → SEA May 19, 15:28 UTCMay 19, 18:34 UTC3h 6m +28m +17m
2026-05-12 ACFFB4 BOS → SEA May 12, 02:45 UTCMay 12, 06:50 UTC4h 5m - -
2026-05-12 ACFFB4 BOS → SEA May 12, 01:01 UTCMay 12, 06:33 UTC5h 32m +211m -15m
2026-05-07 A7E8BF BOS → SEA May 7, 17:17 UTCMay 7, 23:10 UTC5h 53m +17m -10m
2026-05-07 A7E8BF BOS → SEA May 7, 17:05 UTCMay 7, 23:14 UTC6h 9m - -
2026-05-05 A73220 BOS → SEA May 5, 20:50 UTCMay 5, 20:51 UTC1m +20m +5m
2026-05-05 A73220 BOS → SEA May 5, 20:30 UTCMay 5, 21:05 UTC35m - -
2026-05-03 A28DE3 BOS → SEA May 3, 18:00 UTCMay 3, 20:20 UTC2h 20m - -
2026-04-23 A8304F BOS → SEA Apr 23, 19:40 UTCApr 24, 01:45 UTC6h 5m - -
2026-04-21 A5939C BOS → SEA Apr 21, 18:00 UTCApr 21, 22:25 UTC4h 25m - -
2026-04-13 A2E806 - Apr 13, 19:52 UTCApr 13, 20:15 UTC23m +22m +6m

Performance history

Flights tracked
16
Avg arrival delay
+1m
On-time arrival
83% 83% on time
Aircraft used
11

Monthly activity 2 months

Month Flights tracked
May 2026 13
April 2026 3

ASA9577 frequently asked

Where does flight ASA9577 fly?
ASA9577 (Alaska Airlines) flies from BOS to SEA. View the full route page.
How long is flight ASA9577?
Based on observed flights, ASA9577 takes on average 3h 29m from takeoff to landing.
How often does ASA9577 fly?
ASA9577 has been observed flying several times a week in our tracking data. We've recorded 16 flights under this callsign.
Is flight ASA9577 usually on time?
Across recent flights, ASA9577 arrives with an average 1-minute delay. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA9577?
ASA9577 has been operated by 11 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA9577 live?
Yes. When ASA9577 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.