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flight_takeoff Flight

SWA1721

Operated by Southwest Airlines

Live map

Live map filtered to SWA1721. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LAS KLAS VFR

Harry Reid International Airport

Las Vegas, US

Local time
05:08 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
2,181 ft
Coordinates
36.0834, -115.1518

cloud Weather

Wind
VRB / 4 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, BKN 10,000 ft
Temp / Dew
17°C / 11°C
Altimeter
29.77 inHg

Obs: 2026-10-12T11:56:00.000Z

Raw METAR / TAF 
METAR KLAS 121156Z VRB04KT 10SM FEW080 BKN100 17/11 A2977 RMK AO2 SLP064 70022 T01720106 10200 20172 56004 $

TAF KLAS 121124Z 1212/1318 16008KT P6SM VCSH FEW080 BKN100 FM121500 19009G17KT P6SM VCSH SCT070 BKN100 FM121800 21015G25KT P6SM VCSH SCT070 BKN120 FM130400 23008KT P6SM FEW080 SCT100 FM131500 34010G18KT P6SM FEW080 SCT100

flight Live Traffic

flight_takeoff 192 Departures
flight_land 198 Arrivals

Arrival

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
07:08 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
200° / 6 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
21°C / 15°C
Altimeter
29.99 inHg

Obs: 2026-10-12T11:51:00.000Z

Raw METAR / TAF 
METAR KSTL 121151Z COR 20006KT 10SM FEW250 21/15 A2999 RMK AO2 SSLP145 T02110150 10222 20211 53008 $

TAF KSTL 121123Z 1212/1318 22006KT P6SM FEW250 FM121500 22012G20KT P6SM SKC

flight Live Traffic

flight_takeoff 75 Departures
flight_land 65 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AC2C10 LAS → STL Jul 26, 18:35 UTCJul 26, 21:25 UTC2h 50m - -
2026-07-25 AC3B0F LAS → STL Jul 25, 19:45 UTCJul 25, 22:20 UTC2h 35m - -
2026-07-24 AB6247 LAS → STL Jul 24, 21:00 UTCJul 24, 21:35 UTC35m - -
2026-07-24 AB6247 LAS → STL Jul 24, 18:55 UTCJul 24, 19:15 UTC20m - -
2026-07-23 ABB172 LAS → STL Jul 23, 19:20 UTCJul 23, 22:00 UTC2h 40m - -
2026-07-22 ABAA0E LAS → STL Jul 22, 20:00 UTCJul 22, 22:40 UTC2h 40m - -
2026-07-22 ABAA0E LAS → STL Jul 22, 19:49 UTCJul 22, 22:38 UTC2h 49m +49m +7m
2026-07-21 AC08B1 LAS → STL Jul 21, 19:55 UTCJul 21, 22:40 UTC2h 45m - -
2026-07-21 AC08B1 LAS → STL Jul 21, 19:42 UTCJul 21, 22:36 UTC2h 55m +42m +10m
2026-07-20 ABF2C2 LAS → STL Jul 20, 19:10 UTCJul 20, 22:00 UTC2h 50m - -
2026-07-19 AC5E23 LAS → STL Jul 19, 19:15 UTCJul 19, 19:40 UTC25m - -
2026-07-19 AC5E23 LAS → STL Jul 19, 19:01 UTCJul 19, 21:50 UTC2h 49m +66m +1m
2026-07-18 ABAA1A LAS → STL Jul 18, 18:40 UTCJul 18, 21:25 UTC2h 45m - -
2026-07-18 ABAA1A LAS → STL Jul 18, 18:29 UTCJul 18, 21:25 UTC2h 56m +14m +4m
2026-07-17 ABD627 LAS → STL Jul 17, 20:29 UTCJul 17, 23:20 UTC2h 50m - -
2026-07-16 AC6622 LAS → STL Jul 16, 20:45 UTCJul 16, 21:45 UTC1h 0m - -
2026-07-16 AC6622 LAS → STL Jul 16, 18:39 UTCJul 16, 21:42 UTC3h 3m +14m +14m
2026-07-15 AC07DC - Jul 15, 21:30 UTCJul 15, 22:10 UTC40m - -
2026-07-15 AC07DC - Jul 15, 19:30 UTCJul 15, 19:55 UTC25m - -
2026-07-14 AC0094 - Jul 14, 15:00 UTCJul 14, 22:25 UTC7h 25m - -
2026-07-13 ABF96C - Jul 13, 20:55 UTCJul 13, 22:20 UTC1h 25m - -
2026-07-12 AC48F2 - Jul 12, 18:40 UTCJul 12, 21:20 UTC2h 40m - -
2026-07-11 A143E9 - Jul 11, 19:00 UTCJul 11, 21:45 UTC2h 45m - -
2026-07-10 AC5E23 - Jul 10, 19:50 UTCJul 10, 22:25 UTC2h 35m - -
2026-07-09 AC136D - Jul 9, 19:30 UTCJul 9, 22:10 UTC2h 40m - -
2026-07-08 ABF308 LAS → STL Jul 8, 19:30 UTCJul 8, 22:20 UTC2h 50m - -
2026-07-07 AC5E23 LAS → STL Jul 7, 22:35 UTCJul 7, 22:50 UTC15m - -
2026-07-07 AC5E23 LAS → STL Jul 7, 19:40 UTCJul 7, 22:45 UTC3h 5m - -
2026-07-07 AC5E23 LAS → STL Jul 7, 19:26 UTCJul 7, 22:17 UTC2h 51m +26m +6m
2026-07-06 AC1B44 LAS → STL Jul 6, 14:50 UTCJul 6, 22:25 UTC7h 35m - -

Performance history

Flights tracked
142 showing last 30
Avg arrival delay
+7m
On-time arrival
100% 100% on time
Aircraft used
19

Monthly activity 4 months

Month Flights tracked
July 2026 36
June 2026 38
May 2026 40
April 2026 28

SWA1721 frequently asked

Where does flight SWA1721 fly?
SWA1721 (Southwest Airlines) flies from LAS to STL. View the full route page.
How long is flight SWA1721?
Based on observed flights, SWA1721 takes on average 2h 32m from takeoff to landing.
How often does SWA1721 fly?
SWA1721 has been observed flying several times a week in our tracking data. We've recorded 142 flights under this callsign.
Is flight SWA1721 usually on time?
Across recent flights, SWA1721 arrives with an average 7-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA1721?
SWA1721 has been operated by 19 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA1721 live?
Yes. When SWA1721 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.