Apparatus

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flight_takeoff Flight

ASA304

Operated by ASA

Live map

Live map filtered to ASA304. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
02:31 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
230° / 16 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
23°C / 14°C
Altimeter
30.01 inHg

Obs: 2026-07-14T05:54:00.000Z

Raw METAR / TAF 
METAR KBOS 140554Z 23016KT 10SM FEW250 23/14 A3001 RMK AO2 SLP162 T02280144 10261 20228 58015 $

TAF KBOS 140520Z 1406/1512 23015G24KT P6SM SCT250 FM141600 23017G28KT P6SM BKN200 FM150100 25011KT P6SM SCT050 BKN200 PROB30 1509/1512 5SM -TSRA BKN050CB

flight Live Traffic

flight_takeoff 132 Departures
flight_land 145 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
23:31 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
350° / 7 kt
Visibility
10 SM
Ceiling
FEW 22,000 ft
Temp / Dew
18°C / 7°C
Altimeter
30.06 inHg

Obs: 2026-07-14T05:53:00.000Z

Raw METAR / TAF 
METAR KSEA 140553Z 35007KT 10SM FEW220 18/07 A3006 RMK AO2 SLP182 T01830067 10261 20183 53009 $

TAF KSEA 140520Z 1406/1512 35007KT P6SM FEW250 FM140800 01004KT P6SM SKC FM141400 34006KT P6SM SKC FM141900 31007KT P6SM SKC FM150300 34006KT P6SM SKC

flight Live Traffic

flight_takeoff 403 Departures
flight_land 375 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-13 A506D5 BOS → SEA Jul 13, 23:00 UTCJul 14, 04:25 UTC5h 25m - -
2026-07-12 AB962D BOS → SEA Jul 12, 22:15 UTCJul 13, 04:05 UTC5h 50m - -
2026-07-12 A7486A - Jul 12, 00:15 UTCJul 12, 06:05 UTC5h 50m - -
2026-07-10 A97C18 - Jul 10, 22:30 UTCJul 11, 04:05 UTC5h 35m - -
2026-07-09 A61797 SEA → LAX Jul 9, 22:40 UTCJul 10, 04:30 UTC5h 50m - -
2026-07-08 A73D45 SEA → LAX Jul 8, 23:05 UTCJul 9, 04:50 UTC5h 45m - -
2026-07-07 A24DC1 SEA → LAX Jul 7, 22:50 UTCJul 8, 04:30 UTC5h 40m - -
2026-07-06 A6C311 SEA → LAX Jul 6, 22:15 UTCJul 7, 04:00 UTC5h 45m - -
2026-07-05 A28DE3 SEA → LAX Jul 5, 23:15 UTCJul 6, 04:58 UTC5h 43m +79m +17m
2026-07-05 A28DE3 SEA → LAX Jul 5, 23:30 UTCJul 6, 05:15 UTC5h 45m - -
2026-07-04 A95FBE SEA → LAX Jul 4, 22:15 UTCJul 5, 04:00 UTC5h 45m - -
2026-07-03 A54AAE SEA → LAX Jul 3, 22:55 UTCJul 4, 04:45 UTC5h 50m - -
2026-07-02 ACED21 SEA → LAX Jul 2, 22:55 UTCJul 3, 04:30 UTC5h 35m - -
2026-07-01 A2CE05 SEA → LAX Jul 1, 22:45 UTCJul 2, 04:25 UTC5h 40m - -
2026-06-30 A5DB2C SEA → LAX Jun 30, 22:55 UTCJul 1, 04:25 UTC5h 30m - -
2026-06-29 A4CA6A SEA → LAX Jun 29, 22:35 UTCJun 30, 04:15 UTC5h 41m - -
2026-06-29 A57D52 SEA → LAX Jun 29, 04:14 UTCJun 29, 04:20 UTC5m - -
2026-06-28 A57D52 SEA → LAX Jun 28, 22:36 UTCJun 29, 03:51 UTC5h 15m +40m on time
2026-06-28 A57D52 SEA → LAX Jun 28, 22:39 UTCJun 29, 04:09 UTC5h 30m - -
2026-06-27 A5DEE3 SEA → LAX Jun 27, 23:00 UTCJun 28, 04:18 UTC5h 18m +64m on time
2026-06-27 A5DEE3 SEA → LAX Jun 27, 22:49 UTCJun 28, 00:25 UTC1h 35m - -
2026-06-26 A25B3F SEA → LAX Jun 26, 22:40 UTCJun 27, 04:24 UTC5h 45m - -
2026-06-25 A2C43E SEA → LAX Jun 25, 22:52 UTCJun 26, 04:25 UTC5h 33m +56m +3m
2026-06-25 A2C43E SEA → LAX Jun 25, 22:45 UTCJun 26, 04:30 UTC5h 45m - -
2026-06-24 A2F584 SEA → LAX Jun 24, 22:25 UTCJun 25, 03:59 UTC5h 35m - -
2026-06-23 AD1857 SEA → LAX Jun 23, 23:50 UTCJun 24, 05:20 UTC5h 30m - -
2026-06-23 AD1857 SEA → LAX Jun 23, 23:46 UTCJun 24, 05:06 UTC5h 20m +110m -1m
2026-06-23 AD2EA1 SEA → LAX Jun 23, 04:14 UTCJun 23, 04:25 UTC10m - -
2026-06-22 AD2EA1 SEA → LAX Jun 22, 22:24 UTCJun 23, 04:25 UTC6h 0m - -
2026-06-21 A735D7 SEA → LAX Jun 21, 22:44 UTCJun 22, 04:40 UTC5h 55m - -

Performance history

Flights tracked
95 showing last 30
Avg arrival delay
+4m
On-time arrival
80% 80% on time
Aircraft used
23

Monthly activity 4 months

Month Flights tracked
July 2026 14
June 2026 34
May 2026 16
April 2026 31

ASA304 frequently asked

Where does flight ASA304 fly?
ASA304 (ASA) flies from BOS to SEA. View the full route page.
How long is flight ASA304?
Based on observed flights, ASA304 takes on average 5h 9m from takeoff to landing.
How often does ASA304 fly?
ASA304 has been observed flying several times a week in our tracking data. We've recorded 95 flights under this callsign.
Is flight ASA304 usually on time?
Across recent flights, ASA304 arrives with an average 4-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA304?
ASA304 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA304 live?
Yes. When ASA304 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.