Apparatus

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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
07:49 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
220° / 11 kt
Visibility
10 SM
Ceiling
FEW 9,000 ft, FEW 14,000 ft, BKN 25,000 ft
Temp / Dew
19°C / 11°C
Altimeter
30.14 inHg

Obs: 2026-08-30T10:54:00.000Z

Raw METAR / TAF 
METAR KBOS 301054Z 22011KT 10SM FEW090 FEW140 BKN250 19/11 A3014 RMK AO2 SLP205 T01890111 $

TAF KBOS 301120Z 3012/3118 24010KT P6SM BKN250 FM301700 24010G19KT P6SM BKN150 FM310000 24008KT P6SM OVC090 FM310600 31005KT P6SM SCT150 FM311500 07008KT P6SM SKC

flight Live Traffic

flight_takeoff 236 Departures
flight_land 272 Arrivals

Arrival

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
06:49 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
210° / 4 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
23°C / 17°C
Altimeter
30.03 inHg

Obs: 2026-08-30T10:51:00.000Z

Raw METAR / TAF 
METAR KSTL 301051Z COR 21004KT 10SM SCT250 23/17 A3003 RMK AO2 SLP156 T02280167

TAF KSTL 301120Z 3012/3118 17007KT P6SM SCT250 FM301400 20011KT P6SM SCT250 FM310000 17007KT P6SM SCT250

flight Live Traffic

flight_takeoff 103 Departures
flight_land 88 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AC36EF BOS → STL Jul 26, 12:30 UTCJul 26, 13:20 UTC50m - -
2026-07-26 AC36EF BOS → STL Jul 26, 12:26 UTCJul 26, 13:15 UTC49m +6m +6m
2026-07-25 A5B59D BOS → STL Jul 25, 17:25 UTCJul 25, 19:35 UTC2h 10m - -
2026-07-25 A5B59D BOS → STL Jul 25, 17:24 UTCJul 25, 19:28 UTC2h 4m +4m +6m
2026-07-24 AC98AC BOS → STL Jul 24, 13:10 UTCJul 24, 14:00 UTC50m - -
2026-07-24 AC98AC BOS → STL Jul 24, 13:04 UTCJul 24, 13:54 UTC50m +9m +5m
2026-07-23 AD1697 BOS → STL Jul 23, 13:30 UTCJul 23, 14:35 UTC1h 5m - -
2026-07-23 AD1697 BOS → STL Jul 23, 13:29 UTCJul 23, 14:30 UTC1h 1m +34m +17m
2026-07-22 A1FD03 BOS → STL Jul 22, 20:00 UTCJul 22, 21:50 UTC1h 50m - -
2026-07-20 A5468E - Jul 20, 13:00 UTCJul 20, 13:50 UTC50m - -
2026-07-19 AC5E8D - Jul 19, 12:30 UTCJul 19, 13:20 UTC50m - -
2026-07-18 A72CA2 - Jul 18, 18:00 UTCJul 18, 20:15 UTC2h 15m - -
2026-07-18 A72CA2 STL → RSW Jul 18, 17:58 UTCJul 18, 20:11 UTC2h 13m +38m -3m
2026-07-17 ACE19A - Jul 17, 13:29 UTCJul 17, 14:20 UTC50m - -
2026-07-16 AC8EE5 - Jul 16, 13:25 UTCJul 16, 14:20 UTC55m - -
2026-07-15 A29391 - Jul 15, 20:05 UTCJul 15, 22:00 UTC1h 55m - -
2026-07-14 A528D6 - Jul 14, 20:25 UTCJul 14, 22:20 UTC1h 55m - -
2026-07-13 A528D6 - Jul 13, 13:15 UTCJul 13, 14:05 UTC50m - -
2026-07-13 A528D6 CLE → MDW Jul 13, 13:11 UTCJul 13, 14:02 UTC51m +16m +10m
2026-07-12 AC370B - Jul 12, 12:35 UTCJul 12, 13:25 UTC50m - -
2026-07-12 AC370B CLE → MDW Jul 12, 12:33 UTCJul 12, 13:23 UTC51m +13m +5m
2026-07-11 A1F1DE STL → RSW Jul 11, 17:30 UTCJul 11, 19:35 UTC2h 5m - -
2026-07-10 A5CA89 - Jul 10, 13:00 UTCJul 10, 13:55 UTC55m - -
2026-07-09 A1DCF2 - Jul 9, 13:05 UTCJul 9, 13:55 UTC50m - -
2026-07-09 A1DCF2 CLE → MDW Jul 9, 13:03 UTCJul 9, 13:53 UTC50m +8m +7m
2026-07-08 A1F1DE - Jul 8, 20:00 UTCJul 8, 21:50 UTC1h 50m - -
2026-07-07 AD0919 - Jul 7, 22:05 UTCJul 7, 22:25 UTC20m - -
2026-07-07 AD0919 - Jul 7, 20:00 UTCJul 7, 22:15 UTC2h 15m - -
2026-07-07 AD0919 MDW → MSY Jul 7, 20:00 UTCJul 7, 21:50 UTC1h 50m +10m +2m
2026-07-06 A537B2 CLE → MDW Jul 6, 13:05 UTCJul 6, 14:00 UTC55m - -

Performance history

Flights tracked
143 showing last 30
Avg arrival delay
+6m
On-time arrival
89% 89% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 37
June 2026 42
May 2026 37
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 1h 17m from takeoff to landing.
How often does SWA4171 fly?
SWA4171 has been observed flying several times a week in our tracking data. We've recorded 143 flights under this callsign.
Is flight SWA4171 usually on time?
Across recent flights, SWA4171 arrives with an average 6-minute delay. 89% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA4171?
SWA4171 has been operated by 18 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.