Apparatus

Try JFK, AAL1290, BAW, or N225AN.

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 MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
01:39 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
VRB / 3 kt
Visibility
10 SM
Ceiling
BKN 1,000 ft, OVC 1,900 ft
Temp / Dew
7°C / 6°C
Altimeter
29.78 inHg

Obs: 2026-04-15T08:31:00.000Z

Raw METAR / TAF 
SPECI KSEA 150831Z VRB03KT 10SM BKN010 OVC019 07/06 A2978 RMK AO2 RAE0754 P0000 T00670056

TAF KSEA 150733Z 1508/1612 23009KT 5SM -RA FEW006 BKN011 OVC035 FM150900 15009KT P6SM BKN040 FM151500 21007KT P6SM VCSH SCT025 BKN035 FM151900 22010G18KT P6SM -SHRA SCT030 BKN040 FM152300 23009KT P6SM -RA SCT025 BKN035 FM160200 03006KT P6SM -RA SCT025 BKN035

flight Live Traffic

flight_takeoff 182 Departures
flight_land 151 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
02:39 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
200° / 10 kt
Visibility
10 SM
Ceiling
SCT 7,500 ft, SCT 10,000 ft, BKN 20,000 ft
Temp / Dew
4°C / -1°C
Altimeter
29.87 inHg

Obs: 2026-04-15T07:53:00.000Z

Raw METAR / TAF 
METAR KDEN 150753Z 20010KT 10SM SCT075 SCT100 BKN200 04/M01 A2987 RMK AO2 SLP087 T00391006

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 146 Departures
flight_land 144 Arrivals

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 AC0BFB SEA → DEN Apr 13, 03:50 UTCApr 13, 04:15 UTC25m - -
2026-04-13 AC0BFB SEA → DEN Apr 13, 00:51 UTCApr 13, 03:35 UTC2h 44m +21m +6m

Performance history

Flights tracked
2
Avg arrival delay
+6m
On-time arrival
100% 100% on time
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
April 2026 2

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 35m from takeoff to landing.
How often does SWA4173 fly?
SWA4173 has been observed flying rarely in our tracking data. We've recorded 2 flights under this callsign.
Is flight SWA4173 usually on time?
Across recent flights, SWA4173 arrives with an average 6-minute delay. 100% of flights arrive within 15 minutes of schedule.
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.