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flight_takeoff Flight

SWA646

Operated by Southwest Airlines

Live map

Live map filtered to SWA646. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
00:04 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
210° / 6 kt
Visibility
10 SM
Ceiling
SCT 7,500 ft, BKN 9,500 ft, BKN 20,000 ft
Temp / Dew
9°C / -3°C
Altimeter
29.87 inHg

Obs: 2026-04-15T05:53:00.000Z

Raw METAR / TAF 
METAR KDEN 150553Z 21006KT 10SM SCT075 BKN095 BKN200 09/M03 A2987 RMK AO2 WSHFT 0440 SLP074 60000 T00891033 10106 20050 58006

TAF KDEN 150528Z 1506/1612 21011KT P6SM SCT060 BKN090 FM150800 22010KT P6SM FEW090 SCT200 FM151500 25009KT P6SM FEW100 FM152000 30010KT P6SM FEW100 FM160300 21009KT P6SM SCT200

flight Live Traffic

flight_takeoff 301 Departures
flight_land 316 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
23:04 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 8 kt
Visibility
10 SM
Ceiling
SCT 2,100 ft
Temp / Dew
12°C / 7°C
Altimeter
30.14 inHg

Obs: 2026-04-15T05:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150556Z 27008KT 10SM SCT021 12/07 A3014 RMK AO2 SLP207 T01170072 10150 20117 50002 $

TAF KSFO 150520Z 1506/1612 28012KT P6SM FEW030 FM151400 28014KT P6SM BKN050 FM151900 27018KT P6SM BKN150 FM160400 27015KT P6SM BKN030

flight Live Traffic

flight_takeoff 221 Departures
flight_land 267 Arrivals

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-14 ABB9DF DEN → SFO Apr 14, 10:45 UTCApr 14, 11:05 UTC20m - -
2026-04-13 AC5E23 DEN → SFO Apr 13, 10:15 UTCApr 13, 11:55 UTC1h 40m - -

Performance history

Flights tracked
2
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 2

SWA646 frequently asked

Where does flight SWA646 fly?
SWA646 (Southwest Airlines) flies from DEN to SFO. View the full route page.
How long is flight SWA646?
Based on observed flights, SWA646 takes on average 1h 0m from takeoff to landing.
How often does SWA646 fly?
SWA646 has been observed flying occasionally in our tracking data. We've recorded 2 flights under this callsign.
What aircraft operates flight SWA646?
SWA646 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA646 live?
Yes. When SWA646 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.