Apparatus

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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
19:21 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
230° / 8 kt
Visibility
10 SM
Ceiling
BKN 9,000 ft, BKN 13,000 ft, BKN 22,000 ft
Temp / Dew
28°C / 8°C
Altimeter
30.14 inHg

Obs: 2026-08-29T00:53:00.000Z

Raw METAR / TAF 
METAR KDEN 290053Z 23008KT 10SM BKN090 BKN130 BKN220 28/08 A3014 RMK AO2 WSHFT 2348 VIRGA W-NW SLP121 T02830078

TAF KDEN 290055Z 2901/3006 25010KT P6SM BKN100 BKN140 PROB30 2901/2902 VRB15G30KT -SHRA BKN100 FM290200 24010KT P6SM SCT120 BKN200 FM290500 21009KT P6SM SCT120 SCT200 FM291600 25007KT P6SM FEW110 SCT200 FM291900 25010KT P6SM VCSH SCT100 BKN150 TEMPO 2920/2924 VRB20G35KT -TSRA BKN080CB FM300000 33012KT P6SM SCT100 BKN150 PROB30 3000/3004 -SHRA BKN100

flight Live Traffic

flight_takeoff 294 Departures
flight_land 465 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
18:21 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 15 kt
Visibility
10 SM
Ceiling
FEW 500 ft, SCT 15,000 ft, BKN 20,000 ft
Temp / Dew
18°C / 13°C
Altimeter
29.98 inHg

Obs: 2026-08-29T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 290056Z 27015KT 10SM FEW005 SCT150 BKN200 18/13 A2998 RMK AO2 SLP152 T01780128 $

TAF KSFO 282335Z 2900/3006 28016KT P6SM VCSH FEW012 BKN150 FM290300 28014KT P6SM FEW012 TEMPO 2904/2908 BKN012 FM290800 29008KT P6SM OVC012 FM291800 29015G25KT P6SM FEW015 FM300400 27015KT P6SM SCT010

flight Live Traffic

flight_takeoff 195 Departures
flight_land 169 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 AC72D2 DEN → SFO Jul 25, 02:30 UTCJul 25, 03:35 UTC1h 5m - -
2026-07-25 AC72D2 DEN → SFO Jul 25, 02:29 UTCJul 25, 03:32 UTC1h 3m +59m +7m
2026-07-24 AC0F6C DEN → SFO Jul 24, 02:10 UTCJul 24, 03:15 UTC1h 5m - -
2026-07-23 AC0F26 DEN → SFO Jul 23, 02:40 UTCJul 23, 03:35 UTC55m - -
2026-07-22 AC0F26 DEN → SFO Jul 22, 23:50 UTCJul 23, 00:45 UTC55m - -
2026-07-22 ABFD8C DEN → SFO Jul 22, 01:30 UTCJul 22, 02:25 UTC55m +10m +8m
2026-07-22 ABFD8C DEN → SFO Jul 22, 01:35 UTCJul 22, 02:30 UTC55m - -
2026-07-21 ABD1E3 DEN → SFO Jul 21, 01:35 UTCJul 21, 02:40 UTC1h 5m - -
2026-07-21 ABD1E3 DEN → SFO Jul 21, 01:32 UTCJul 21, 02:39 UTC1h 7m +2m +1m
2026-07-20 AB6229 DEN → SFO Jul 20, 03:25 UTCJul 20, 04:15 UTC50m - -
2026-07-20 AB6229 DEN → SFO Jul 20, 03:25 UTCJul 20, 04:35 UTC1h 10m +65m +11m
2026-07-18 AC57AF - Jul 18, 02:19 UTCJul 18, 03:40 UTC1h 21m - -
2026-07-18 AC57AF BNA → PIT Jul 18, 02:15 UTCJul 18, 03:36 UTC1h 21m +45m +31m
2026-07-17 AC53B2 - Jul 17, 01:55 UTCJul 17, 02:59 UTC1h 5m - -
2026-07-16 AC5746 SJC → ONT Jul 16, 01:45 UTCJul 16, 02:40 UTC55m - -
2026-07-15 AC6A65 - Jul 15, 02:20 UTCJul 15, 03:15 UTC55m - -
2026-07-15 AC6A65 SJC → ONT Jul 15, 02:17 UTCJul 15, 03:10 UTC53m +57m +12m
2026-07-14 AC337E - Jul 14, 03:10 UTCJul 14, 04:20 UTC1h 10m - -
2026-07-13 ABFD8C BNA → PIT Jul 13, 02:45 UTCJul 13, 03:50 UTC1h 5m - -
2026-07-11 AC212D - Jul 11, 02:10 UTCJul 11, 03:20 UTC1h 10m - -
2026-07-10 AC4801 - Jul 10, 02:10 UTCJul 10, 03:15 UTC1h 5m - -
2026-07-09 AC046E SJC → ONT Jul 9, 02:30 UTCJul 9, 03:20 UTC50m - -
2026-07-08 AC5AFD SJC → ONT Jul 8, 01:45 UTCJul 8, 02:40 UTC55m - -
2026-07-08 AC5AFD SJC → ONT Jul 8, 01:45 UTCJul 8, 02:37 UTC52m +25m +7m
2026-07-07 ABD4E7 - Jul 7, 04:35 UTCJul 7, 05:40 UTC1h 5m - -
2026-07-06 ABFAC6 - Jul 6, 03:00 UTCJul 6, 04:00 UTC1h 0m - -
2026-07-04 AC6204 MSY → BWI Jul 4, 10:45 UTCJul 4, 12:50 UTC2h 5m - -
2026-07-04 AB5EB2 - Jul 4, 04:40 UTCJul 4, 05:50 UTC1h 10m - -
2026-07-04 AB5EB2 BNA → PIT Jul 4, 04:38 UTCJul 4, 05:49 UTC1h 11m +188m on time
2026-07-03 ABB54F - Jul 3, 02:25 UTCJul 3, 03:30 UTC1h 5m - -

Performance history

Flights tracked
131 showing last 30
Avg arrival delay
+10m
On-time arrival
88% 88% on time
Aircraft used
20

Monthly activity 4 months

Month Flights tracked
July 2026 33
June 2026 30
May 2026 46
April 2026 22

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 5m from takeoff to landing.
How often does SWA646 fly?
SWA646 has been observed flying several times a week in our tracking data. We've recorded 131 flights under this callsign.
Is flight SWA646 usually on time?
Across recent flights, SWA646 arrives with an average 10-minute delay. 88% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA646?
SWA646 has been operated by 20 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.