Apparatus

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flight_takeoff Flight

SWA4039

Operated by Southwest Airlines

Live map

Live map filtered to SWA4039. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
01:18 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
200° / 8 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, FEW 22,000 ft
Temp / Dew
20°C / 9°C
Altimeter
30.15 inHg

Obs: 2026-08-29T06:53:00.000Z

Raw METAR / TAF 
METAR KDEN 290653Z 20008KT 10SM FEW120 FEW220 20/09 A3015 RMK AO2 SLP115 T02000094 403500156

TAF KDEN 290537Z 2906/3012 VRB06KT P6SM SCT120 SCT200 FM290700 21009KT P6SM SCT120 BKN200 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 FM300500 01008KT P6SM SCT100 BKN200 FM300900 19009KT P6SM FEW100 BKN200

flight Live Traffic

flight_takeoff 115 Departures
flight_land 94 Arrivals

Arrival

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
00:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
220° / 4 kt
Visibility
10 SM
Ceiling
BKN 2,800 ft, OVC 5,000 ft
Temp / Dew
16°C / 11°C
Altimeter
30.01 inHg

Obs: 2026-08-29T06:53:00.000Z

Raw METAR / TAF 
METAR KSEA 290653Z 22004KT 10SM BKN028 OVC050 16/11 A3001 RMK AO2 SLP166 T01560111 $

TAF KSEA 290525Z 2906/3012 01008KT P6SM SCT050 BKN070 FM290800 19007KT P6SM -SHRA OVC030 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030 FM292000 23008KT P6SM -SHRA SCT025 BKN040 FM300000 25008KT P6SM SCT050 BKN100

flight Live Traffic

flight_takeoff 135 Departures
flight_land 59 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 AB5B66 DEN → SEA Jul 25, 16:25 UTCJul 25, 18:45 UTC2h 20m - -
2026-07-18 ABD9B6 DEN → SEA Jul 18, 16:30 UTCJul 18, 18:45 UTC2h 15m - -
2026-07-11 AC47B7 - Jul 11, 16:30 UTCJul 11, 18:55 UTC2h 25m - -
2026-07-11 AC47B7 SRQ → MCI Jul 11, 16:30 UTCJul 11, 18:52 UTC2h 22m +10m +9m
2026-07-04 ABBD47 - Jul 4, 19:30 UTCJul 4, 22:35 UTC3h 5m - -
2026-07-04 ABBD47 MCI → SAN Jul 4, 19:25 UTCJul 4, 22:34 UTC3h 10m +25m +20m
2026-06-27 AC3338 - Jun 27, 16:49 UTCJun 27, 19:09 UTC2h 20m - -
2026-06-27 AC3338 SRQ → MCI Jun 27, 16:49 UTCJun 27, 19:10 UTC2h 21m +29m +10m
2026-06-20 AC47DE DEN → SEA Jun 20, 17:10 UTCJun 20, 17:29 UTC20m - -
2026-06-20 AC47DE SRQ → MCI Jun 20, 17:09 UTCJun 20, 19:38 UTC2h 29m +49m +7m
2026-06-13 AC53D5 DEN → SEA Jun 13, 16:35 UTCJun 13, 19:00 UTC2h 25m - -
2026-06-13 AC53D5 DEN → SEA Jun 13, 16:33 UTCJun 13, 18:50 UTC2h 17m +13m +2m
2026-06-06 AC0F03 DEN → SEA Jun 6, 16:30 UTCJun 6, 18:55 UTC2h 25m - -
2026-06-03 AC2C10 DEN → SEA Jun 3, 12:05 UTCJun 3, 14:10 UTC2h 5m - -
2026-06-03 AC2C10 DEN → SEA Jun 3, 12:00 UTCJun 3, 14:07 UTC2h 7m +5m +4m
2026-06-02 ABB972 DEN → SEA Jun 2, 12:20 UTCJun 2, 14:35 UTC2h 15m - -
2026-06-01 AB635D DEN → SEA Jun 1, 21:55 UTCJun 2, 00:00 UTC2h 5m - -
2026-05-31 AC006D DEN → SEA May 31, 21:55 UTCJun 1, 00:05 UTC2h 10m - -
2026-05-30 AB5F6A DEN → SEA May 30, 20:05 UTCMay 30, 22:20 UTC2h 15m - -
2026-05-29 ABB52C DEN → SEA May 29, 21:45 UTCMay 29, 23:45 UTC2h 0m - -
2026-05-28 ABE09A DEN → SEA May 28, 21:50 UTCMay 29, 00:00 UTC2h 10m - -
2026-05-27 ABE450 DEN → SEA May 27, 11:55 UTCMay 27, 13:55 UTC2h 0m - -
2026-05-26 ABEF79 DEN → SEA May 26, 12:05 UTCMay 26, 14:05 UTC2h 0m - -
2026-05-25 AC34BF DEN → SEA May 25, 21:54 UTCMay 25, 23:54 UTC2h 0m - -
2026-05-25 AC34BF DEN → SEA May 25, 21:54 UTCMay 25, 23:52 UTC1h 58m -841m +6m
2026-05-24 ABD254 DEN → SEA May 24, 19:30 UTCMay 24, 21:35 UTC2h 5m - -
2026-05-23 ABC107 DEN → SEA May 23, 20:10 UTCMay 23, 22:25 UTC2h 15m - -
2026-05-23 ABC107 DEN → SEA May 23, 20:09 UTCMay 23, 22:17 UTC2h 8m +14m +6m
2026-05-22 AC6A65 DEN → SEA May 22, 23:35 UTCMay 23, 01:40 UTC2h 5m - -
2026-05-21 ABEB7C DEN → SEA May 21, 23:20 UTCMay 22, 01:25 UTC2h 5m - -

Performance history

Flights tracked
82 showing last 30
Avg arrival delay
+8m
On-time arrival
88% 88% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 6
June 2026 11
May 2026 39
April 2026 26

SWA4039 frequently asked

Where does flight SWA4039 fly?
SWA4039 (Southwest Airlines) flies from DEN to SEA. View the full route page.
How long is flight SWA4039?
Based on observed flights, SWA4039 takes on average 2h 12m from takeoff to landing.
How often does SWA4039 fly?
SWA4039 has been observed flying several times a week in our tracking data. We've recorded 82 flights under this callsign.
Is flight SWA4039 usually on time?
Across recent flights, SWA4039 arrives with an average 8-minute delay. 88% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA4039?
SWA4039 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA4039 live?
Yes. When SWA4039 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.