Apparatus

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flight_takeoff Flight

ASA477

Operated by ASA

Live map

Live map filtered to ASA477. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
BOS SEA Aug 28, 07:34 PM UTC Aug 29, 01:06 AM UTC PLANNED

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
15:51 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
120° / 8 kt
Visibility
10 SM
Ceiling
SCT 4,100 ft, BKN 7,000 ft
Temp / Dew
26°C / 21°C
Altimeter
29.96 inHg

Obs: 2026-08-28T18:54:00.000Z

Raw METAR / TAF 
METAR KBOS 281854Z 12008KT 10SM SCT041 BKN070 26/21 A2996 RMK AO2 SLP145 T02610206

TAF KBOS 281733Z 2818/2924 23008KT P6SM SCT035 FM281830 10005KT P6SM SCT035 PROB30 2819/2823 4SM TSRA OVC035CB FM282300 21004KT P6SM BKN100 FM290200 30005KT P6SM SCT250 FM290600 33008KT P6SM SCT200 FM291600 08004KT P6SM SKC

flight Live Traffic

flight_takeoff 77 Departures
flight_land 89 Arrivals

Arrival

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
12:51 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
220° / 5 kt
Visibility
10 SM
Ceiling
SCT 2,400 ft, BKN 3,000 ft, BKN 4,900 ft
Temp / Dew
20°C / 12°C
Altimeter
30.07 inHg

Obs: 2026-08-28T19:27:00.000Z

Raw METAR / TAF 
SPECI KSEA 281927Z 22005KT 10SM SCT024 BKN030 BKN049 20/12 A3007 RMK AO2 T02000122 $

TAF KSEA 281727Z 2818/2924 22005KT P6SM BKN025 BKN035 FM282100 26006KT P6SM BKN050 FM290200 32006KT P6SM BKN050 FM290800 19007KT P6SM -SHRA OVC035 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030

flight Live Traffic

flight_takeoff 122 Departures
flight_land 92 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 ACDFA3 LAX → SEA Jul 26, 18:20 UTCJul 26, 22:40 UTC4h 20m - -
2026-07-25 AAF47A LAX → SEA Jul 25, 18:15 UTCJul 25, 22:40 UTC4h 25m - -
2026-07-24 A7A89D LAX → SEA Jul 24, 18:48 UTCJul 24, 22:48 UTC4h 0m +103m -1m
2026-07-24 A7A89D LAX → SEA Jul 24, 18:45 UTCJul 24, 21:15 UTC2h 30m - -
2026-07-23 A262AD LAX → SEA Jul 23, 17:50 UTCJul 23, 22:20 UTC4h 30m - -
2026-07-22 A2CE05 LAX → SEA Jul 22, 17:25 UTCJul 22, 21:45 UTC4h 20m - -
2026-07-21 A2DCE1 LAX → SEA Jul 21, 18:30 UTCJul 21, 23:30 UTC5h 0m - -
2026-07-20 A25B3F SEA → EWR Jul 20, 17:55 UTCJul 20, 22:10 UTC4h 15m - -
2026-07-19 ACA948 SEA → EWR Jul 19, 17:45 UTCJul 19, 22:00 UTC4h 15m - -
2026-07-17 A99D87 SEA → EWR Jul 17, 17:30 UTCJul 17, 22:10 UTC4h 40m - -
2026-07-16 ACD47E SEA → EWR Jul 16, 18:29 UTCJul 16, 23:05 UTC4h 35m - -
2026-07-16 A6BF5A CMH → EWR Jul 16, 02:00 UTCJul 16, 03:35 UTC1h 35m - -
2026-07-15 A6BF5A - Jul 15, 17:50 UTCJul 15, 22:05 UTC4h 15m - -
2026-07-14 A715C6 - Jul 14, 17:35 UTCJul 14, 22:05 UTC4h 30m - -
2026-07-13 A72E69 - Jul 13, 22:10 UTCJul 13, 22:20 UTC10m - -
2026-07-13 A72E69 SEA → EWR Jul 13, 17:35 UTCJul 13, 22:20 UTC4h 45m - -
2026-07-13 A72E69 SEA → EWR Jul 13, 17:32 UTCJul 13, 21:55 UTC4h 23m +27m -8m
2026-07-12 A1CC1F SEA → EWR Jul 12, 17:30 UTCJul 12, 22:05 UTC4h 35m - -
2026-07-11 A6C6C8 SEA → EWR Jul 11, 17:25 UTCJul 11, 22:15 UTC4h 50m - -
2026-07-10 A28A2C SEA → EWR Jul 10, 17:20 UTCJul 10, 22:25 UTC5h 6m - -
2026-07-09 A4CE21 SEA → EWR Jul 9, 19:55 UTCJul 10, 01:10 UTC5h 15m - -
2026-07-08 AD4AFB SEA → EWR Jul 8, 17:50 UTCJul 8, 22:35 UTC4h 45m - -
2026-07-07 A657B9 SEA → EWR Jul 7, 17:45 UTCJul 7, 22:35 UTC4h 50m - -
2026-07-06 A7197D SEA → EWR Jul 6, 17:55 UTCJul 6, 22:50 UTC4h 55m - -
2026-07-05 A7197D SEA → EWR Jul 5, 18:00 UTCJul 5, 22:35 UTC4h 35m - -
2026-07-04 A6F96C SEA → EWR Jul 4, 17:40 UTCJul 4, 22:15 UTC4h 35m - -
2026-07-04 A726FB LLY → EWR Jul 4, 03:15 UTCJul 4, 03:45 UTC30m - -
2026-07-03 A726FB SEA → PHL Jul 3, 17:40 UTCJul 3, 23:05 UTC5h 25m - -
2026-07-02 A66CA5 SEA → EWR Jul 2, 17:35 UTCJul 2, 22:10 UTC4h 35m - -
2026-07-01 ADBA0A SEA → EWR Jul 1, 17:20 UTCJul 1, 22:05 UTC4h 45m - -

Performance history

Flights tracked
108 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 30
June 2026 37
May 2026 22
April 2026 19

ASA477 frequently asked

Where does flight ASA477 fly?
ASA477 (ASA) flies from BOS to SEA. View the full route page.
How long is flight ASA477?
Based on observed flights, ASA477 takes on average 4h 10m from takeoff to landing.
How often does ASA477 fly?
ASA477 has been observed flying daily in our tracking data. We've recorded 108 flights under this callsign.
Is flight ASA477 usually on time?
Across recent flights, ASA477 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA477?
ASA477 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA477 live?
Yes. When ASA477 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.