Apparatus

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flight_takeoff Flight

SWA3970

Operated by Southwest Airlines

Live map

Live map filtered to SWA3970. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
00:42 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
120° / 4 kt
Visibility
7 SM
Ceiling
FEW 4,000 ft, BKN 8,000 ft
Temp / Dew
14°C / 14°C
Altimeter
29.83 inHg

Obs: 2026-04-15T03:54:00.000Z

Raw METAR / TAF 
METAR KBOS 150354Z 12004KT 7SM FEW040 BKN080 14/14 A2983 RMK AO2 SLP099 T01440139

TAF KBOS 150010Z 1500/1606 20012KT P6SM BKN120 TEMPO 1500/1502 28015G30KT 5SM -SHRA OVC035 FM150300 22007KT P6SM BKN180 FM150500 23006KT P6SM FEW240 FM151600 09010KT P6SM BKN100 FM151800 09010KT P6SM BKN020 PROB30 1521/1602 2SM -TSRA OVC009CB FM160300 36004KT 3SM BR BKN004

flight Live Traffic

flight_takeoff 215 Departures
flight_land 309 Arrivals

Arrival

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
23:42 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
210° / 19G25 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
24°C / 18°C
Altimeter
29.86 inHg

Obs: 2026-04-15T03:51:00.000Z

Raw METAR / TAF 
METAR KSTL 150351Z 21019G25KT 10SM BKN250 24/18 A2986 RMK AO2 PK WND 22026/0340 SLP100 T02390178 $

TAF KSTL 150254Z 1503/1606 20012G20KT P6SM BKN150 FM150600 20010KT P6SM BKN120 FM151700 20012G20KT P6SM BKN060 PROB30 1517/1521 4SM -TSRA BKN040CB FM152300 21010KT P6SM BKN080

flight Live Traffic

flight_takeoff 90 Departures
flight_land 85 Arrivals

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-14 A74A5A BOS → STL Apr 14, 09:45 UTCApr 14, 11:05 UTC1h 20m - -
2026-04-13 AA9EB3 - Apr 13, 09:01 UTCApr 13, 11:20 UTC2h 19m +1m -2m

Performance history

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

Monthly activity 1 month

Month Flights tracked
April 2026 2

SWA3970 frequently asked

Where does flight SWA3970 fly?
SWA3970 (Southwest Airlines) flies from BOS to STL. View the full route page.
How long is flight SWA3970?
Based on observed flights, SWA3970 takes on average 1h 49m from takeoff to landing.
How often does SWA3970 fly?
SWA3970 has been observed flying occasionally in our tracking data. We've recorded 2 flights under this callsign.
Is flight SWA3970 usually on time?
Across recent flights, SWA3970 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA3970?
SWA3970 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA3970 live?
Yes. When SWA3970 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.