Apparatus

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flight_takeoff Flight

ASA423

Operated by Alaska Airlines

Live map

Live map filtered to ASA423. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
03:56 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
60° / 6 kt
Visibility
10 SM
Ceiling
BKN 4,400 ft
Temp / Dew
9°C / 5°C
Altimeter
30.20 inHg

Obs: 2026-05-30T09:53:00.000Z

Raw METAR / TAF 
METAR KSEA 300953Z 06006KT 10SM BKN044 09/05 A3020 RMK AO2 SLP231 T00890050 $

TAF KSEA 300902Z 3009/3112 06006KT P6SM BKN040 OVC050 FM301200 14005KT P6SM BKN030 OVC040 FM301900 28006KT P6SM BKN070 FM302200 31008KT P6SM SCT070 BKN250

flight Live Traffic

flight_takeoff 147 Departures
flight_land 162 Arrivals

Arrival

SAT KSAT MVFR

San Antonio International Airport

San Antonio, US

Local time
05:56 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
809 ft
Coordinates
29.5337, -98.4698

cloud Weather

Wind
170° / 6 kt
Visibility
10 SM
Ceiling
SCT 1,300 ft, OVC 2,200 ft
Temp / Dew
23°C / 21°C
Altimeter
29.91 inHg

Obs: 2026-05-30T10:51:00.000Z

Raw METAR / TAF 
METAR KSAT 301051Z 17006KT 10SM SCT013 OVC022 23/21 A2991 RMK AO2 SLP109 T02330211 $

TAF KSAT 300859Z 3009/3112 18010KT P6SM BKN011 BKN250 FM301500 18009KT P6SM SCT035 BKN200 FM302300 15007KT P6SM FEW050 BKN200

flight Live Traffic

flight_takeoff 34 Departures
flight_land 32 Arrivals

Recent history last 16

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-02 AC7A5B SEA → SAT May 2, 18:05 UTCMay 2, 23:45 UTC5h 40m - -
2026-04-26 A1EFE7 SEA → SAT Apr 26, 00:30 UTCApr 26, 01:20 UTC50m - -
2026-04-21 A24DC1 SEA → SAT Apr 21, 20:15 UTCApr 21, 23:00 UTC2h 45m - -
2026-04-20 AD8B1D SEA → SAT Apr 20, 23:10 UTCApr 21, 01:40 UTC2h 30m - -
2026-04-20 AD8B1D SEA → SAT Apr 20, 23:08 UTCApr 21, 01:30 UTC2h 22m +186m +9m
2026-04-19 AAE59E SEA → SAT Apr 19, 20:15 UTCApr 19, 22:50 UTC2h 35m - -
2026-04-18 A98386 SEA → SAT Apr 18, 20:10 UTCApr 18, 22:30 UTC2h 20m - -
2026-04-17 A99262 SEA → SAT Apr 17, 21:35 UTCApr 17, 22:40 UTC1h 5m - -
2026-04-17 A99262 SEA → SAT Apr 17, 20:25 UTCApr 17, 21:10 UTC45m - -
2026-04-16 A24DC1 SEA → SAT Apr 16, 23:20 UTCApr 17, 00:44 UTC1h 25m - -
2026-04-16 A24DC1 SEA → SAT Apr 16, 22:30 UTCApr 16, 23:10 UTC40m - -
2026-04-15 AD3FD6 SEA → SAT Apr 15, 21:10 UTCApr 15, 22:35 UTC1h 25m - -
2026-04-15 AD3FD6 SEA → SAT Apr 15, 20:10 UTCApr 15, 20:45 UTC35m - -
2026-04-14 A59D63 SEA → SAT Apr 14, 21:00 UTCApr 14, 22:35 UTC1h 35m - -
2026-04-14 A59D63 SEA → SAT Apr 14, 20:15 UTCApr 14, 20:50 UTC35m - -
2026-04-13 AD5FE7 SEA → SAT Apr 13, 20:10 UTCApr 13, 22:40 UTC2h 30m - -

Performance history

Flights tracked
16
Avg arrival delay
+9m
On-time arrival
100% 100% on time
Aircraft used
10

Monthly activity 2 months

Month Flights tracked
May 2026 1
April 2026 15

ASA423 frequently asked

Where does flight ASA423 fly?
ASA423 (Alaska Airlines) flies from SEA to SAT. View the full route page.
How long is flight ASA423?
Based on observed flights, ASA423 takes on average 1h 51m from takeoff to landing.
How often does ASA423 fly?
ASA423 has been observed flying several times a week in our tracking data. We've recorded 16 flights under this callsign.
Is flight ASA423 usually on time?
Across recent flights, ASA423 arrives with an average 9-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA423?
ASA423 has been operated by 10 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA423 live?
Yes. When ASA423 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.