Apparatus

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flight_takeoff Flight

SWA3521

Operated by Southwest Airlines

Live map

Live map filtered to SWA3521. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LAX KLAX MVFR

Los Angeles International Airport

Los Angeles, US

Local time
02:50 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
BKN 1,500 ft
Temp / Dew
16°C / 13°C
Altimeter
30.01 inHg

Obs: 2026-05-30T09:14:00.000Z

Raw METAR / TAF 
SPECI KLAX 300914Z 00000KT 10SM BKN015 16/13 A3001 RMK AO2 T01610133 $

TAF KLAX 300839Z 3009/3112 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 275 Departures
flight_land 261 Arrivals

Arrival

SJC KSJC MVFR

Norman Y. Mineta San Jose International Airport

San Jose, US

Local time
02:50 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
62 ft
Coordinates
37.3625, -121.9292

cloud Weather

Wind
340° / 5 kt
Visibility
10 SM
Ceiling
OVC 1,600 ft
Temp / Dew
14°C / 10°C
Altimeter
30.10 inHg

Obs: 2026-05-30T08:53:00.000Z

Raw METAR / TAF 
METAR KSJC 300853Z AUTO 34005KT 10SM OVC016 14/10 A3010 RMK AO2 SLP193 T01390100 58002

TAF KSJC 300520Z 3006/3106 34006KT P6SM BKN015 FM301700 34006KT P6SM SKC FM302200 34016KT P6SM SKC

flight Live Traffic

flight_takeoff 29 Departures
flight_land 39 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 AC3EE9 LAX → SJC May 29, 15:50 UTCMay 29, 19:25 UTC3h 35m - -
2026-05-28 ABBC75 LAX → SJC May 28, 15:55 UTCMay 28, 19:30 UTC3h 35m - -
2026-05-27 AC2BA0 LAX → SJC May 27, 15:40 UTCMay 27, 19:25 UTC3h 45m - -
2026-05-26 AC377B LAX → SJC May 26, 15:45 UTCMay 26, 19:20 UTC3h 35m - -
2026-05-26 AC377B LAX → SJC May 26, 15:40 UTCMay 26, 19:10 UTC3h 30m +25m +10m
2026-05-25 AC24C5 LAX → SJC May 25, 15:50 UTCMay 25, 19:44 UTC3h 55m - -
2026-05-25 AC24C5 LAX → SJC May 25, 15:48 UTCMay 25, 19:41 UTC3h 53m +13m +25m
2026-05-24 AC300D LAX → SJC May 24, 17:20 UTCMay 24, 21:20 UTC4h 0m - -
2026-05-24 AC300D LAX → SJC May 24, 17:17 UTCMay 24, 21:19 UTC4h 3m +62m +19m
2026-05-23 ABFDF8 LAX → SJC May 23, 15:35 UTCMay 23, 19:30 UTC3h 55m - -
2026-05-22 AC011D LAX → SJC May 22, 16:10 UTCMay 22, 20:05 UTC3h 55m - -
2026-05-21 AC0BB9 LAX → SJC May 21, 16:05 UTCMay 21, 20:00 UTC3h 55m - -
2026-05-20 AC04AE LAX → SJC May 20, 15:45 UTCMay 20, 19:55 UTC4h 10m - -
2026-05-20 AC04AE LAX → SJC May 20, 15:45 UTCMay 20, 19:43 UTC3h 59m +30m +15m
2026-05-19 AC5AFD LAX → SJC May 19, 15:40 UTCMay 19, 19:40 UTC4h 0m - -
2026-05-18 AC62A9 LAX → SJC May 18, 16:26 UTCMay 18, 20:06 UTC3h 40m +51m +7m
2026-05-18 AC62A9 LAX → SJC May 18, 16:30 UTCMay 18, 20:15 UTC3h 44m - -
2026-05-18 AC250B LAX → SJC May 18, 00:27 UTCMay 18, 01:02 UTC35m +42m +13m
2026-05-18 AC250B LAX → SJC May 18, 00:30 UTCMay 18, 01:10 UTC40m - -
2026-05-17 AC250B LAX → SJC May 17, 21:05 UTCMay 17, 22:45 UTC1h 40m - -
2026-05-17 AC250B LAX → SJC May 17, 15:40 UTCMay 17, 19:30 UTC3h 50m - -
2026-05-16 AC48F2 LAX → SJC May 16, 15:45 UTCMay 16, 19:45 UTC4h 0m - -
2026-05-15 AC4210 LAX → SJC May 15, 16:00 UTCMay 15, 20:05 UTC4h 5m - -
2026-05-15 AC4210 LAX → SJC May 15, 16:00 UTCMay 15, 20:01 UTC4h 1m +25m +17m
2026-05-14 AC41F3 LAX → SJC May 14, 16:00 UTCMay 14, 20:05 UTC4h 5m - -
2026-05-13 ABB222 LAX → SJC May 13, 15:30 UTCMay 13, 19:35 UTC4h 5m - -
2026-05-13 ABB222 LAX → SJC May 13, 15:29 UTCMay 13, 19:28 UTC3h 59m +14m +14m
2026-05-12 ABD971 LAX → SJC May 12, 15:50 UTCMay 12, 20:01 UTC4h 10m - -
2026-05-11 AC20E7 LAX → SJC May 11, 16:00 UTCMay 11, 20:05 UTC4h 5m - -
2026-05-11 AC2FC3 LAX → SJC May 11, 00:34 UTCMay 11, 01:15 UTC40m - -

Performance history

Flights tracked
87 showing last 30
Avg arrival delay
+15m
On-time arrival
63% 63% on time
Aircraft used
20

Monthly activity 2 months

Month Flights tracked
May 2026 49
April 2026 38

SWA3521 frequently asked

Where does flight SWA3521 fly?
SWA3521 (Southwest Airlines) flies from LAX to SJC. View the full route page.
How long is flight SWA3521?
Based on observed flights, SWA3521 takes on average 3h 30m from takeoff to landing.
How often does SWA3521 fly?
SWA3521 has been observed flying several times a week in our tracking data. We've recorded 87 flights under this callsign.
Is flight SWA3521 usually on time?
Across recent flights, SWA3521 arrives with an average 15-minute delay. 63% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA3521?
SWA3521 has been operated by 20 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA3521 live?
Yes. When SWA3521 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.