Apparatus

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flight_takeoff Flight

ASA521

Operated by Alaska Airlines

Live map

Live map filtered to ASA521. Shown when the flight is currently airborne.

Route airports View route page →

Departure

AUS KAUS VFR

Austin Bergstrom International Airport

Austin, US

Local time
03:13 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
542 ft
Coordinates
30.1975, -97.6620

cloud Weather

Wind
200° / 4 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
22°C / 21°C
Altimeter
29.86 inHg

Obs: 2026-05-30T07:53:00.000Z

Raw METAR / TAF 
METAR KAUS 300753Z 20004KT 10SM SCT250 22/21 A2986 RMK AO2 SLP101 T02220211 $

TAF KAUS 300540Z 3006/3112 18008KT P6SM FEW250 FM301000 19005KT P6SM BKN015 FM301500 19010KT P6SM SCT035 BKN200 FM302300 16009KT P6SM FEW050 BKN200

flight Live Traffic

flight_takeoff 21 Departures
flight_land 18 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
01:13 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
80° / 3 kt
Visibility
10 SM
Ceiling
BKN 3,700 ft, OVC 5,000 ft
Temp / Dew
9°C / 7°C
Altimeter
30.18 inHg

Obs: 2026-05-30T07:53:00.000Z

Raw METAR / TAF 
METAR KSEA 300753Z 08003KT 10SM BKN037 OVC050 09/07 A3018 RMK AO2 RAE27 SLP228 P0008 T00940067 401560089 $

TAF KSEA 300520Z 3006/3112 01009KT P6SM OVC035 TEMPO 3006/3009 -SHRA FM301200 14005KT P6SM BKN030 FM301900 28006KT P6SM BKN070 FM302200 31008KT P6SM SCT070 BKN250

flight Live Traffic

flight_takeoff 218 Departures
flight_land 199 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A262AD AUS → SEA May 29, 22:10 UTCMay 29, 23:55 UTC1h 45m - -
2026-05-28 ACCD10 AUS → SEA May 28, 22:05 UTCMay 28, 23:40 UTC1h 35m - -
2026-05-27 A6F96C AUS → SEA May 27, 22:10 UTCMay 27, 23:50 UTC1h 40m - -
2026-05-26 A2B562 AUS → SEA May 26, 22:25 UTCMay 27, 00:00 UTC1h 35m - -
2026-05-26 A2E098 AUS → SEA May 26, 00:14 UTCMay 26, 01:55 UTC1h 40m - -
2026-05-24 AD9642 AUS → SEA May 24, 23:00 UTCMay 24, 23:46 UTC46m - -
2026-05-24 AD9642 AUS → SEA May 24, 22:08 UTCMay 24, 23:48 UTC1h 40m +14m -3m
2026-05-23 A2FCF2 AUS → SEA May 23, 22:10 UTCMay 23, 23:55 UTC1h 45m - -
2026-05-22 A2C087 AUS → SEA May 22, 22:50 UTCMay 23, 00:30 UTC1h 40m - -
2026-05-22 A2C087 AUS → SEA May 22, 22:46 UTCMay 23, 00:23 UTC1h 37m +52m -3m
2026-05-22 ACF48F AUS → SEA May 22, 00:20 UTCMay 22, 01:55 UTC1h 35m - -
2026-05-20 A602AB AUS → SEA May 20, 22:30 UTCMay 21, 00:00 UTC1h 30m - -
2026-05-19 A5E29A AUS → SEA May 19, 22:05 UTCMay 19, 23:40 UTC1h 35m - -
2026-05-18 A9A397 AUS → SEA May 18, 22:30 UTCMay 19, 00:00 UTC1h 30m - -
2026-05-17 A70AA1 AUS → SEA May 17, 22:20 UTCMay 17, 23:55 UTC1h 35m - -
2026-05-17 A70AA1 AUS → SEA May 17, 22:22 UTCMay 17, 23:51 UTC1h 29m +28m +8m
2026-05-16 A6EE47 AUS → SEA May 16, 22:15 UTCMay 16, 23:45 UTC1h 30m - -
2026-05-16 A6EE47 AUS → SEA May 16, 22:22 UTCMay 16, 23:46 UTC1h 24m +28m +4m
2026-05-15 A4C6B3 AUS → SEA May 15, 22:30 UTCMay 16, 00:15 UTC1h 45m - -
2026-05-14 A56866 AUS → SEA May 14, 22:20 UTCMay 15, 00:00 UTC1h 40m - -
2026-05-13 A5521C AUS → SEA May 13, 22:15 UTCMay 13, 23:55 UTC1h 40m - -
2026-05-12 A6EE47 AUS → SEA May 12, 23:45 UTCMay 13, 01:40 UTC1h 55m - -
2026-05-10 A5DEE3 AUS → SEA May 10, 23:44 UTCMay 11, 01:34 UTC1h 50m - -
2026-05-10 A73D45 AUS → SEA May 10, 02:00 UTCMay 10, 03:40 UTC1h 40m - -
2026-05-08 A2EBBD AUS → SEA May 8, 23:45 UTCMay 9, 01:25 UTC1h 40m - -
2026-05-07 A97C18 AUS → SEA May 7, 23:59 UTCMay 8, 01:40 UTC1h 40m - -
2026-05-06 A2D92A AUS → SEA May 6, 23:35 UTCMay 7, 01:15 UTC1h 40m - -
2026-05-05 A6EE47 AUS → SEA May 5, 23:40 UTCMay 6, 01:15 UTC1h 35m - -
2026-05-04 A69B92 AUS → SEA May 4, 23:40 UTCMay 5, 01:20 UTC1h 40m - -
2026-05-03 A715C6 AUS → SEA May 3, 23:55 UTCMay 4, 01:35 UTC1h 40m - -

Performance history

Flights tracked
54 showing last 30
Avg arrival delay
+2m
On-time arrival
100% 100% on time
Aircraft used
24

Monthly activity 2 months

Month Flights tracked
May 2026 32
April 2026 22

ASA521 frequently asked

Where does flight ASA521 fly?
ASA521 (Alaska Airlines) flies from AUS to SEA. View the full route page.
How long is flight ASA521?
Based on observed flights, ASA521 takes on average 1h 36m from takeoff to landing.
How often does ASA521 fly?
ASA521 has been observed flying several times a week in our tracking data. We've recorded 54 flights under this callsign.
Is flight ASA521 usually on time?
Across recent flights, ASA521 arrives with an average 2-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA521?
ASA521 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA521 live?
Yes. When ASA521 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.