Apparatus

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flight_takeoff Flight

ASA473

Operated by Alaska Airlines

Live map

Live map filtered to ASA473. Shown when the flight is currently airborne.

Route airports View route page →

Departure

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
04:02 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
220° / 5 kt
Visibility
10 SM
Ceiling
SCT 15,000 ft
Temp / Dew
22°C / 13°C
Altimeter
29.90 inHg

Obs: 2026-10-13T08:51:00.000Z

Raw METAR / TAF 
METAR KSTL 130851Z COR 22005KT 10SM SCT150 22/13 A2990 RMK AO2 SLP111 T02220128 50004 $

TAF KSTL 130520Z 1306/1412 23009KT P6SM SKC FM132300 20008KT P6SM SCT100 FM140200 20006KT P6SM OVC100 PROB30 1407/1411 4SM -SHRA BKN070

flight Live Traffic

flight_takeoff 28 Departures
flight_land 33 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
02:02 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
120° / 7 kt
Visibility
10 SM
Ceiling
BKN 8,500 ft
Temp / Dew
9°C / 4°C
Altimeter
30.12 inHg

Obs: 2026-10-13T07:53:00.000Z

Raw METAR / TAF 
METAR KSEA 130753Z 12007KT 10SM BKN085 09/04 A3012 RMK AO2 SLP206 T00890044 401610050

TAF KSEA 130802Z 1308/1412 12006KT P6SM BKN090 FM131800 18005KT P6SM OVC070 FM132300 23005KT P6SM OVC070 FM140400 19004KT P6SM SCT025 OVC040 FM140900 18004KT P6SM OVC025

flight Live Traffic

flight_takeoff 101 Departures
flight_land 66 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AD5269 STL → SEA Jul 26, 11:05 UTCJul 26, 15:00 UTC3h 55m - -
2026-07-25 A4CE21 STL → SEA Jul 25, 11:20 UTCJul 25, 15:15 UTC3h 55m - -
2026-07-24 A30460 STL → SEA Jul 24, 11:15 UTCJul 24, 15:20 UTC4h 5m - -
2026-07-23 AD7D9F STL → SEA Jul 23, 11:10 UTCJul 23, 14:55 UTC3h 45m - -
2026-07-23 AD7D9F STL → SEA Jul 23, 11:09 UTCJul 23, 14:55 UTC3h 46m +7m +2m
2026-07-22 ADA167 - Jul 22, 11:10 UTCJul 22, 14:50 UTC3h 40m - -
2026-07-21 ACE96A STL → SEA Jul 21, 11:10 UTCJul 21, 15:05 UTC3h 55m - -
2026-07-20 A3133C STL → SEA Jul 20, 11:10 UTCJul 20, 14:55 UTC3h 45m - -
2026-07-19 A9D9F2 STL → SEA Jul 19, 11:10 UTCJul 19, 14:55 UTC3h 45m - -
2026-07-18 A97608 STL → SEA Jul 18, 11:10 UTCJul 18, 14:50 UTC3h 40m - -
2026-07-17 A5B3AD STL → SEA Jul 17, 14:10 UTCJul 17, 17:55 UTC3h 45m - -
2026-07-17 A5B3AD STL → SEA Jul 17, 14:21 UTCJul 17, 17:47 UTC3h 26m +199m -106m
2026-07-16 A30460 STL → SEA Jul 16, 11:10 UTCJul 16, 14:50 UTC3h 40m - -
2026-07-15 AD4AFB STL → SEA Jul 15, 11:20 UTCJul 15, 14:55 UTC3h 35m - -
2026-07-14 AD5269 STL → SEA Jul 14, 11:10 UTCJul 14, 14:45 UTC3h 35m - -
2026-07-13 A2ADF4 STL → SEA Jul 13, 11:10 UTCJul 13, 14:40 UTC3h 30m - -
2026-07-13 A2ADF4 STL → SEA Jul 13, 11:07 UTCJul 13, 14:33 UTC3h 26m +5m +8m
2026-07-12 A9B62A STL → SEA Jul 12, 11:15 UTCJul 12, 15:01 UTC3h 45m - -
2026-07-11 A2CE05 STL → SEA Jul 11, 11:20 UTCJul 11, 15:10 UTC3h 50m - -
2026-07-10 A9672C - Jul 10, 11:15 UTCJul 10, 12:55 UTC1h 40m - -
2026-07-10 A9672C STL → SEA Jul 10, 11:23 UTCJul 10, 14:59 UTC3h 36m +21m +14m
2026-07-09 A2228B STL → SEA Jul 9, 11:20 UTCJul 9, 15:10 UTC3h 50m - -
2026-07-08 A98386 STL → SEA Jul 8, 11:10 UTCJul 8, 14:55 UTC3h 45m - -
2026-07-07 A622BC STL → SEA Jul 7, 11:15 UTCJul 7, 15:00 UTC3h 45m - -
2026-07-06 A5E29A STL → SEA Jul 6, 11:15 UTCJul 6, 14:55 UTC3h 40m - -
2026-07-05 A96E9A STL → SEA Jul 5, 11:10 UTCJul 5, 14:50 UTC3h 40m - -
2026-07-04 A61F05 STL → SEA Jul 4, 11:05 UTCJul 4, 14:55 UTC3h 50m - -
2026-07-03 A688FF - Jul 3, 14:50 UTCJul 3, 15:00 UTC10m - -
2026-07-03 A688FF - Jul 3, 11:20 UTCJul 3, 15:00 UTC3h 40m - -
2026-07-03 A688FF STL → SEA Jul 3, 11:16 UTCJul 3, 14:32 UTC3h 16m +14m -32m

Performance history

Flights tracked
133 showing last 30
Avg arrival delay
-23m
On-time arrival
100% 100% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 34
June 2026 34
May 2026 35
April 2026 30

ASA473 frequently asked

Where does flight ASA473 fly?
ASA473 (Alaska Airlines) flies from STL to SEA. View the full route page.
How long is flight ASA473?
Based on observed flights, ASA473 takes on average 3h 31m from takeoff to landing.
How often does ASA473 fly?
ASA473 has been observed flying several times a week in our tracking data. We've recorded 133 flights under this callsign.
Is flight ASA473 usually on time?
Across recent flights, ASA473 arrives 23 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA473?
ASA473 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA473 live?
Yes. When ASA473 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.