Apparatus

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flight_takeoff Flight

SWA8521

Operated by Southwest Airlines

Live map

Live map filtered to SWA8521. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SMF KSMF VFR

Sacramento International Airport

Sacramento, US

Local time
01:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
27 ft
Coordinates
38.6954, -121.5910

cloud Weather

Wind
140° / 7 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
21°C / 12°C
Altimeter
29.78 inHg

Obs: 2026-06-05T07:53:00.000Z

Raw METAR / TAF 
METAR KSMF 050753Z 14007KT 10SM CLR 21/12 A2978 RMK AO2 SLP083 T02110117 403440139 $

TAF KSMF 050520Z 0506/0606 17007KT P6SM SKC FM051000 VRB05KT P6SM SKC FM060000 20010KT P6SM SKC

flight Live Traffic

flight_takeoff 59 Departures
flight_land 68 Arrivals

Arrival

SJC KSJC VFR

Norman Y. Mineta San Jose International Airport

San Jose, US

Local time
01:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
62 ft
Coordinates
37.3625, -121.9292

cloud Weather

Wind
340° / 6 kt
Visibility
9 SM
Ceiling
CLR
Temp / Dew
15°C / 11°C
Altimeter
29.88 inHg

Obs: 2026-06-05T07:53:00.000Z

Raw METAR / TAF 
METAR KSJC 050753Z AUTO 34006KT 9SM CLR 15/11 A2988 RMK AO2 SLP116 T01500111 402560122

TAF KSJC 050520Z 0506/0606 31006KT P6SM FEW040 FM051100 15003KT P6SM SKC FM052100 31013KT P6SM SKC FM060500 31006KT P6SM SKC

flight Live Traffic

flight_takeoff 44 Departures
flight_land 43 Arrivals

Recent history last 6

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-19 A2D3B3 SMF → SJC May 19, 05:30 UTCMay 19, 06:20 UTC50m - -
2026-05-19 A2D3B3 SMF → SJC May 19, 05:25 UTCMay 19, 06:16 UTC51m +60m +82m
2026-05-11 A2C9EC SMF → SJC May 11, 05:50 UTCMay 11, 07:00 UTC1h 10m - -
2026-04-29 ABB1DE SMF → SJC Apr 29, 03:10 UTCApr 29, 03:45 UTC35m - -
2026-04-18 AC3731 SMF → SJC Apr 18, 03:30 UTCApr 18, 04:45 UTC1h 15m - -
2026-04-18 AC3731 SMF → SJC Apr 18, 02:05 UTCApr 18, 04:40 UTC2h 35m +40m +14m

Performance history

Flights tracked
6
Avg arrival delay
+48m
On-time arrival
50% 50% on time
Aircraft used
4

Monthly activity 2 months

Month Flights tracked
May 2026 3
April 2026 3

SWA8521 frequently asked

Where does flight SWA8521 fly?
SWA8521 (Southwest Airlines) flies from SMF to SJC. View the full route page.
How long is flight SWA8521?
Based on observed flights, SWA8521 takes on average 1h 13m from takeoff to landing.
How often does SWA8521 fly?
SWA8521 has been observed flying occasionally in our tracking data. We've recorded 6 flights under this callsign.
Is flight SWA8521 usually on time?
Across recent flights, SWA8521 arrives with an average 48-minute delay. 50% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA8521?
SWA8521 has been operated by 4 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA8521 live?
Yes. When SWA8521 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.