Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

ASA503

Operated by Alaska Airlines

Live map

Live map filtered to ASA503. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LAX KLAX VFR

Los Angeles International Airport

Los Angeles, US

Local time
01:34 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
250° / 4 kt
Visibility
10 SM
Ceiling
FEW 1,000 ft
Temp / Dew
16°C / 13°C
Altimeter
30.01 inHg

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

Raw METAR / TAF 
METAR KLAX 300753Z 25004KT 10SM FEW010 16/13 A3001 RMK AO2 SLP162 T01610128 402000150 $

TAF KLAX 300536Z 3006/3112 VRB03KT P6SM SKC FM301000 12006KT P6SM OVC010 FM301700 VRB03KT P6SM SCT015 FM301900 26014KT P6SM SKC FM310300 VRB03KT P6SM SKC FM311000 12006KT P6SM OVC010

warning FAA Advisories

  • Closed: !LAX 05/277 LAX AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR CTC ATLANTIC AVIATION 310-258-9884 OR SIGNATURE AVIATION 310-410-9605 2605271826-2705281600 (May 27 at 18:26 UTC. – May 28 at 16:00 UTC.)

flight Live Traffic

flight_takeoff 293 Departures
flight_land 238 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
01:34 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 224 Departures
flight_land 212 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-12 A1EFE7 LAX → SEA May 12, 20:55 UTCMay 13, 00:45 UTC3h 50m - -
2026-05-12 A1EFE7 LAX → SEA May 12, 21:05 UTCMay 13, 00:35 UTC3h 30m +26m -6m
2026-05-11 A5939C LAX → SEA May 11, 21:00 UTCMay 11, 22:35 UTC1h 34m - -
2026-05-10 A7B3C2 LAX → SEA May 10, 21:04 UTCMay 11, 01:10 UTC4h 5m - -
2026-05-09 A58C2E LAX → SEA May 9, 21:30 UTCMay 10, 01:30 UTC4h 0m - -
2026-05-08 A4DF56 LAX → SEA May 8, 20:55 UTCMay 9, 00:55 UTC4h 0m - -
2026-05-07 A9AEBC LAX → SEA May 7, 20:55 UTCMay 8, 00:54 UTC4h 0m - -
2026-05-06 A2ADF4 LAX → SEA May 6, 21:00 UTCMay 7, 01:05 UTC4h 5m - -
2026-05-05 ACCD10 LAX → SEA May 5, 20:45 UTCMay 6, 00:50 UTC4h 5m - -
2026-05-04 A4CE21 LAX → SEA May 4, 20:50 UTCMay 5, 01:00 UTC4h 10m - -
2026-05-03 AB3C0A LAX → SEA May 3, 20:55 UTCMay 4, 01:00 UTC4h 5m - -
2026-05-02 A9C506 LAX → SEA May 2, 20:55 UTCMay 3, 00:50 UTC3h 55m - -
2026-05-01 A30BCE LAX → SEA May 1, 21:00 UTCMay 2, 00:50 UTC3h 50m - -
2026-04-30 A9AEBC LAX → SEA Apr 30, 22:20 UTCMay 1, 02:15 UTC3h 55m - -
2026-04-29 A2CE05 LAX → SEA Apr 29, 21:00 UTCApr 30, 01:10 UTC4h 9m - -
2026-04-28 A29551 LAX → SEA Apr 28, 20:50 UTCApr 29, 00:59 UTC4h 10m - -
2026-04-27 A9E8CE LAX → SEA Apr 27, 21:05 UTCApr 28, 01:05 UTC4h 0m - -
2026-04-26 A29908 LAX → SEA Apr 26, 21:05 UTCApr 27, 01:05 UTC4h 0m - -
2026-04-25 A21ED4 LAX → SEA Apr 25, 20:55 UTCApr 26, 01:00 UTC4h 5m - -
2026-04-24 AD2733 LAX → SEA Apr 24, 20:50 UTCApr 25, 01:10 UTC4h 20m - -
2026-04-23 A262AD LAX → SEA Apr 23, 21:00 UTCApr 24, 00:55 UTC3h 55m +21m -5m
2026-04-23 A262AD LAX → SEA Apr 23, 20:45 UTCApr 24, 01:00 UTC4h 15m - -
2026-04-22 A22642 LAX → SEA Apr 22, 20:50 UTCApr 23, 00:55 UTC4h 5m - -
2026-04-21 A29551 LAX → SEA Apr 21, 20:55 UTCApr 22, 00:45 UTC3h 50m - -
2026-04-20 A2228B LAX → SEA Apr 20, 20:55 UTCApr 21, 00:50 UTC3h 55m - -
2026-04-19 A4C6B3 LAX → SEA Apr 19, 20:50 UTCApr 20, 00:40 UTC3h 50m - -
2026-04-18 A2D92A LAX → SEA Apr 18, 20:45 UTCApr 19, 00:50 UTC4h 5m - -
2026-04-17 ACBE34 LAX → SEA Apr 17, 23:30 UTCApr 18, 01:20 UTC1h 50m - -
2026-04-17 ACBE34 LAX → SEA Apr 17, 21:25 UTCApr 17, 23:20 UTC1h 55m - -
2026-04-16 A6B435 LAX → SEA Apr 16, 23:20 UTCApr 17, 00:55 UTC1h 35m - -

Performance history

Flights tracked
41 showing last 30
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
25

Monthly activity 2 months

Month Flights tracked
May 2026 13
April 2026 28

ASA503 frequently asked

Where does flight ASA503 fly?
ASA503 (Alaska Airlines) flies from LAX to SEA. View the full route page.
How long is flight ASA503?
Based on observed flights, ASA503 takes on average 3h 42m from takeoff to landing.
How often does ASA503 fly?
ASA503 has been observed flying daily in our tracking data. We've recorded 41 flights under this callsign.
Is flight ASA503 usually on time?
Across recent flights, ASA503 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA503?
ASA503 has been operated by 25 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA503 live?
Yes. When ASA503 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.