Apparatus

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flight_takeoff Flight

SWA4173

Operated by Southwest Airlines

Live map

Live map filtered to SWA4173. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
17:55 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
220° / 9 kt
Visibility
10 SM
Ceiling
FEW 3,000 ft, BKN 5,500 ft
Temp / Dew
21°C / 11°C
Altimeter
30.01 inHg

Obs: 2026-08-28T23:53:00.000Z

Raw METAR / TAF 
METAR KSEA 282353Z 22009KT 10SM FEW030 BKN055 21/11 A3001 RMK AO2 SLP165 T02110111 10228 20172 56016 $

TAF KSEA 282322Z 2900/3006 23009KT P6SM SCT025 BKN050 FM290200 32006KT P6SM BKN050 FM290800 19007KT P6SM -SHRA OVC030 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030 FM292000 23008KT P6SM -SHRA SCT025 BKN040

flight Live Traffic

flight_takeoff 172 Departures
flight_land 195 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
18:55 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
270° / 13G18 kt
Visibility
10 SM
Ceiling
BKN 9,000 ft, BKN 13,000 ft, BKN 22,000 ft
Temp / Dew
29°C / 7°C
Altimeter
30.13 inHg

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

Raw METAR / TAF 
SPECI KDEN 290008Z 27013G18KT 10SM BKN090 BKN130 BKN220 29/07 A3013 RMK AO2 WSHFT 2348 VIRGA W T02890072

TAF KDEN 282328Z 2900/3006 33012KT P6SM SCT100 BKN140 PROB30 2900/2902 VRB15G30KT -SHRA BKN100 FM290200 24008KT 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

warning FAA Advisories

  • Ground Delay: thunderstorms (avg 21 minutes)

flight Live Traffic

flight_takeoff 301 Departures
flight_land 464 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 AC5765 SEA → DEN Jul 25, 11:55 UTCJul 25, 15:50 UTC3h 55m - -
2026-07-25 ABF396 SEA → DEN Jul 25, 02:35 UTCJul 25, 03:30 UTC55m - -
2026-07-24 AC4F4C SEA → DEN Jul 24, 02:50 UTCJul 24, 03:40 UTC50m - -
2026-07-21 AC0F4D SEA → DEN Jul 21, 02:30 UTCJul 21, 03:20 UTC50m - -
2026-07-18 AC578C TPA → LAS Jul 18, 12:05 UTCJul 18, 16:00 UTC3h 55m - -
2026-07-18 AC668D - Jul 18, 02:29 UTCJul 18, 03:15 UTC46m - -
2026-07-17 AC07DC - Jul 17, 02:45 UTCJul 17, 02:59 UTC15m - -
2026-07-17 AC07DC SAN → PHX Jul 17, 02:44 UTCJul 17, 03:34 UTC50m +49m +4m
2026-07-14 AC1A95 - Jul 14, 05:20 UTCJul 14, 06:15 UTC55m - -
2026-07-14 AC1A95 SAN → PHX Jul 14, 05:21 UTCJul 14, 06:11 UTC50m +206m +164m
2026-07-14 AC1A95 SMF → SAN Jul 14, 00:00 UTCJul 14, 01:15 UTC1h 15m - -
2026-07-11 ABF351 TPA → LAS Jul 11, 12:10 UTCJul 11, 16:10 UTC4h 0m - -
2026-07-11 AC0C41 - Jul 11, 02:40 UTCJul 11, 03:35 UTC55m - -
2026-07-10 ABDD4A - Jul 10, 03:55 UTCJul 10, 04:50 UTC55m - -
2026-07-07 AC5697 - Jul 7, 03:15 UTCJul 7, 04:05 UTC50m - -
2026-07-04 AC57D2 - Jul 4, 02:15 UTCJul 4, 03:10 UTC55m - -
2026-07-03 AC247A - Jul 3, 02:40 UTCJul 3, 03:30 UTC50m - -
2026-06-30 AC2FEA - Jun 30, 02:20 UTCJun 30, 03:10 UTC50m - -
2026-06-30 AC2FEA SAN → PHX Jun 30, 02:20 UTCJun 30, 03:08 UTC48m +25m +6m
2026-06-27 AC3E80 - Jun 27, 11:55 UTCJun 27, 16:00 UTC4h 5m - -
2026-06-27 AC3E80 TPA → LAS Jun 27, 11:50 UTCJun 27, 16:01 UTC4h 11m +5m +9m
2026-06-27 AC2BC6 - Jun 27, 02:39 UTCJun 27, 03:30 UTC50m - -
2026-06-26 AC1327 - Jun 26, 02:09 UTCJun 26, 03:00 UTC50m - -
2026-06-23 A1442F - Jun 23, 02:40 UTCJun 23, 03:34 UTC55m - -
2026-06-20 ABC3C6 TPA → LAS Jun 20, 11:59 UTCJun 20, 16:24 UTC4h 25m - -
2026-06-20 AC578C - Jun 20, 02:49 UTCJun 20, 03:44 UTC55m - -
2026-06-19 AC3A60 - Jun 19, 02:39 UTCJun 19, 03:44 UTC1h 5m - -
2026-06-19 AC3A60 SAN → PHX Jun 19, 02:37 UTCJun 19, 03:40 UTC1h 3m +42m +17m
2026-06-16 AC4BDD SAN → PHX Jun 16, 02:44 UTCJun 16, 03:39 UTC55m +49m +15m
2026-06-16 AC4BDD - Jun 16, 02:45 UTCJun 16, 03:39 UTC55m - -

Performance history

Flights tracked
82 showing last 30
Avg arrival delay
+36m
On-time arrival
67% 67% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 17
June 2026 27
May 2026 23
April 2026 15

SWA4173 frequently asked

Where does flight SWA4173 fly?
SWA4173 (Southwest Airlines) flies from SEA to DEN. View the full route page.
How long is flight SWA4173?
Based on observed flights, SWA4173 takes on average 1h 31m from takeoff to landing.
How often does SWA4173 fly?
SWA4173 has been observed flying several times a week in our tracking data. We've recorded 82 flights under this callsign.
Is flight SWA4173 usually on time?
Across recent flights, SWA4173 arrives with an average 36-minute delay. 67% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA4173?
SWA4173 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA4173 live?
Yes. When SWA4173 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.