Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

SWA4171

Operated by Southwest Airlines

Live map

Live map filtered to SWA4171. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
03:35 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
170° / 8 kt
Visibility
10 SM
Ceiling
SCT 5,000 ft, BKN 8,000 ft, BKN 11,000 ft
Temp / Dew
14°C / 12°C
Altimeter
29.59 inHg
Wx
-RA

Obs: 2026-05-30T06:54:00.000Z

Raw METAR / TAF 
METAR KBOS 300654Z 17008KT 10SM -RA SCT050 BKN080 BKN110 14/12 A2959 RMK AO2 RAB43 SLP019 P0000 T01390117

TAF KBOS 300537Z 3006/3112 12012G20KT P6SM -SHRA OVC040 FM300700 08013KT P6SM BKN030 FM301000 36020G32KT P6SM VCSH SCT010 OVC015 FM301200 03025G44KT 3SM RA BR SCT008 OVC010 FM302200 01017G28KT P6SM VCSH BKN020 FM310000 01013G20KT P6SM BKN060 FM310300 33010KT P6SM SCT250

flight Live Traffic

flight_takeoff 37 Departures
flight_land 43 Arrivals

Arrival

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
02:35 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
100° / 4 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, BKN 13,000 ft, OVC 20,000 ft
Temp / Dew
22°C / 18°C
Altimeter
29.92 inHg

Obs: 2026-05-30T06:51:00.000Z

Raw METAR / TAF 
METAR KSTL 300651Z 10004KT 10SM FEW080 BKN130 OVC200 22/18 A2992 RMK AO2 SLP120 T02220178 $

TAF KSTL 300520Z 3006/3112 VRB04KT P6SM BKN070 FM301400 10008KT P6SM BKN050

flight Live Traffic

flight_takeoff 17 Departures
flight_land 7 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 AC4F92 BOS → STL May 29, 19:25 UTCMay 29, 21:25 UTC2h 0m - -
2026-05-28 AC41F3 BOS → STL May 28, 19:30 UTCMay 28, 21:25 UTC1h 55m - -
2026-05-27 AC4C44 BOS → STL May 27, 18:35 UTCMay 27, 20:35 UTC2h 0m - -
2026-05-26 AC71AD BOS → STL May 26, 18:45 UTCMay 26, 20:50 UTC2h 5m - -
2026-05-26 AC71AD BOS → STL May 26, 18:43 UTCMay 26, 20:49 UTC2h 7m +18m +5m
2026-05-25 AC4237 BOS → STL May 25, 19:59 UTCMay 25, 22:00 UTC2h 0m - -
2026-05-23 ABDC78 BOS → STL May 23, 18:10 UTCMay 23, 20:05 UTC1h 55m - -
2026-05-22 AC501E BOS → STL May 22, 19:40 UTCMay 22, 21:45 UTC2h 5m - -
2026-05-21 AC6573 BOS → STL May 21, 19:50 UTCMay 21, 21:45 UTC1h 55m - -
2026-05-20 AC57D2 BOS → STL May 20, 18:55 UTCMay 20, 20:50 UTC1h 55m - -
2026-05-19 AC1789 BOS → STL May 19, 18:40 UTCMay 19, 20:35 UTC1h 55m - -
2026-05-18 AC48F2 BOS → STL May 18, 20:00 UTCMay 18, 21:55 UTC1h 55m - -
2026-05-18 AC48F2 BOS → STL May 18, 19:56 UTCMay 18, 21:50 UTC1h 54m +46m +12m
2026-05-17 A600E4 BOS → STL May 17, 20:55 UTCMay 17, 22:55 UTC2h 0m - -
2026-05-16 ABA9E7 BOS → STL May 16, 18:05 UTCMay 16, 20:05 UTC2h 0m - -
2026-05-16 ABA9E7 BOS → STL May 16, 18:02 UTCMay 16, 20:01 UTC1h 59m +17m +3m
2026-05-15 ABEEEA BOS → STL May 15, 19:30 UTCMay 15, 21:35 UTC2h 5m - -
2026-05-14 AC24C5 BOS → STL May 14, 20:20 UTCMay 14, 22:20 UTC2h 0m - -
2026-05-14 AC24C5 BOS → STL May 14, 20:20 UTCMay 14, 22:20 UTC2h 0m +70m +19m
2026-05-13 AC4FFB BOS → STL May 13, 18:35 UTCMay 13, 20:25 UTC1h 50m - -
2026-05-12 ABBD2D BOS → STL May 12, 18:30 UTCMay 12, 20:30 UTC2h 0m - -
2026-05-12 ABBD2D BOS → STL May 12, 18:30 UTCMay 12, 20:27 UTC1h 57m +5m +15m
2026-05-11 AC4C44 BOS → STL May 11, 20:00 UTCMay 11, 22:00 UTC2h 0m - -
2026-05-10 A5F208 BOS → STL May 10, 20:54 UTCMay 10, 22:55 UTC2h 0m - -
2026-05-09 AC47B7 BOS → STL May 9, 18:00 UTCMay 9, 19:55 UTC1h 55m - -
2026-05-08 AC34BF BOS → STL May 8, 19:35 UTCMay 8, 21:30 UTC1h 55m - -
2026-05-07 AC04AE BOS → STL May 7, 19:25 UTCMay 7, 21:25 UTC2h 0m - -
2026-05-06 AC536C BOS → STL May 6, 18:35 UTCMay 6, 20:40 UTC2h 5m - -
2026-05-05 ABB8EA BOS → STL May 5, 18:35 UTCMay 5, 20:50 UTC2h 15m - -
2026-05-04 AC1720 BOS → STL May 4, 20:10 UTCMay 4, 22:15 UTC2h 5m - -

Performance history

Flights tracked
61 showing last 30
Avg arrival delay
+11m
On-time arrival
80% 80% on time
Aircraft used
24

Monthly activity 2 months

Month Flights tracked
May 2026 34
April 2026 27

SWA4171 frequently asked

Where does flight SWA4171 fly?
SWA4171 (Southwest Airlines) flies from BOS to STL. View the full route page.
How long is flight SWA4171?
Based on observed flights, SWA4171 takes on average 2h 0m from takeoff to landing.
How often does SWA4171 fly?
SWA4171 has been observed flying daily in our tracking data. We've recorded 61 flights under this callsign.
Is flight SWA4171 usually on time?
Across recent flights, SWA4171 arrives with an average 11-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA4171?
SWA4171 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA4171 live?
Yes. When SWA4171 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.