Apparatus

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flight_takeoff Flight

ASA12

Operated by Alaska Airlines

Live map

Live map filtered to ASA12. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
01:50 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
280° / 8 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, BKN 25,000 ft
Temp / Dew
28°C / 20°C
Altimeter
29.68 inHg

Obs: 2026-06-13T04:54:00.000Z

Raw METAR / TAF 
METAR KBOS 130454Z 28008KT 10SM FEW120 BKN250 28/20 A2968 RMK AO2 SLP051 T02780200 403110206

TAF KBOS 130533Z 1306/1412 30010KT P6SM FEW100 FM132300 27004KT P6SM SKC FM141000 24003KT P6SM FEW250

flight Live Traffic

flight_takeoff 134 Departures
flight_land 145 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
22:50 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
360° / 7 kt
Visibility
10 SM
Ceiling
FEW 7,000 ft, FEW 25,000 ft
Temp / Dew
18°C / 8°C
Altimeter
30.17 inHg

Obs: 2026-06-13T04:53:00.000Z

Raw METAR / TAF 
METAR KSEA 130453Z 36007KT 10SM FEW070 FEW250 18/08 A3017 RMK AO2 SLP222 T01830083 $

TAF KSEA 130534Z 1306/1412 36007KT P6SM SKC FM130900 03005KT P6SM SKC FM131800 35010G16KT P6SM FEW250 FM140600 03006KT P6SM FEW250

flight Live Traffic

flight_takeoff 439 Departures
flight_land 371 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-06-09 ACBE34 BOS → SEA Jun 9, 22:13 UTCJun 10, 02:28 UTC4h 15m +28m -11m
2026-06-09 ACBE34 BOS → SEA Jun 9, 21:55 UTCJun 10, 02:30 UTC4h 35m - -
2026-06-09 ACBE34 BOS → SEA Jun 9, 16:45 UTCJun 9, 20:35 UTC3h 50m - -
2026-06-08 ACF48F BOS → SEA Jun 8, 21:55 UTCJun 9, 02:50 UTC4h 55m - -
2026-06-08 ACF48F BOS → SEA Jun 8, 15:50 UTCJun 8, 20:15 UTC4h 25m - -
2026-06-07 AC9E23 BOS → SEA Jun 7, 22:40 UTCJun 8, 03:20 UTC4h 40m - -
2026-06-07 AC9E23 BOS → SEA Jun 7, 22:39 UTCJun 8, 03:19 UTC4h 40m +54m +14m
2026-06-07 AC9E23 BOS → SEA Jun 7, 16:50 UTCJun 7, 21:10 UTC4h 20m - -
2026-06-07 AC9E23 BOS → SEA Jun 7, 17:05 UTCJun 7, 21:04 UTC3h 59m +90m -13m
2026-06-06 AC9E23 BOS → SEA Jun 6, 22:05 UTCJun 7, 02:45 UTC4h 40m - -
2026-06-06 AC9E23 BOS → SEA Jun 6, 15:54 UTCJun 6, 20:25 UTC4h 30m - -
2026-06-05 ACBE34 BOS → SEA Jun 5, 22:25 UTCJun 6, 03:05 UTC4h 40m - -
2026-06-05 ACBE34 BOS → SEA Jun 5, 16:50 UTCJun 5, 21:10 UTC4h 20m - -
2026-06-04 A99D87 BOS → SEA Jun 4, 22:51 UTCJun 5, 03:20 UTC4h 29m +66m +61m
2026-06-04 A99D87 BOS → SEA Jun 4, 22:55 UTCJun 5, 03:20 UTC4h 25m - -
2026-06-04 A99D87 BOS → SEA Jun 4, 16:10 UTCJun 4, 20:40 UTC4h 30m - -
2026-06-03 A4DF56 BOS → SEA Jun 3, 22:15 UTCJun 4, 02:50 UTC4h 35m - -
2026-06-03 A4DF56 BOS → SEA Jun 3, 16:20 UTCJun 3, 21:00 UTC4h 40m - -
2026-06-02 AD4AFB BOS → SEA Jun 2, 22:15 UTCJun 3, 03:00 UTC4h 45m - -
2026-06-02 AD4AFB BOS → SEA Jun 2, 16:30 UTCJun 2, 21:00 UTC4h 30m - -
2026-06-01 A4DF56 BOS → SEA Jun 1, 21:50 UTCJun 2, 02:35 UTC4h 45m - -
2026-06-01 A4DF56 BOS → SEA Jun 1, 15:50 UTCJun 1, 20:15 UTC4h 25m - -
2026-05-31 AD14A0 BOS → SEA May 31, 22:00 UTCJun 1, 02:45 UTC4h 45m - -
2026-05-31 AD14A0 BOS → SEA May 31, 21:58 UTCJun 1, 02:37 UTC4h 39m -1057m -6m
2026-05-31 AD14A0 BOS → SEA May 31, 15:50 UTCMay 31, 20:05 UTC4h 15m - -
2026-05-30 AC7A5B BOS → SEA May 30, 21:50 UTCMay 31, 01:11 UTC3h 21m - -
2026-05-30 AC7A5B BOS → SEA May 30, 15:55 UTCMay 30, 20:15 UTC4h 20m - -
2026-05-29 A2EBBD BOS → SEA May 29, 22:45 UTCMay 30, 03:35 UTC4h 50m - -
2026-05-29 A2EBBD BOS → SEA May 29, 16:10 UTCMay 29, 20:30 UTC4h 20m - -
2026-05-28 A7687B BOS → SEA May 28, 21:50 UTCMay 29, 02:45 UTC4h 55m - -

Performance history

Flights tracked
91 showing last 30
Avg arrival delay
+9m
On-time arrival
80% 80% on time
Aircraft used
10

Monthly activity 3 months

Month Flights tracked
June 2026 22
May 2026 57
April 2026 12

ASA12 frequently asked

Where does flight ASA12 fly?
ASA12 (Alaska Airlines) flies from BOS to SEA. View the full route page.
How long is flight ASA12?
Based on observed flights, ASA12 takes on average 4h 29m from takeoff to landing.
How often does ASA12 fly?
ASA12 has been observed flying several times a week in our tracking data. We've recorded 91 flights under this callsign.
Is flight ASA12 usually on time?
Across recent flights, ASA12 arrives with an average 9-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA12?
ASA12 has been operated by 10 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA12 live?
Yes. When ASA12 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.