#WN3399
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🇺🇸 N8911Q - Boeing 737MAX 8 - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.6 mi away @ 8425 ft, heading SW at 307 mph. Spotted 79x before. [08:43:48 AM CDT] #AC4B95 #N8911Q #B38M #SOUTHWEST #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
September 20, 2026 at 1:44 PM
abovestlouis.com
🇺🇸 N8805L - Boeing 737MAX 8 - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.8 mi away @ 7150 ft, heading SW at 313 mph. Spotted 119x before. [08:38:17 AM CDT] #AC20E7 #N8805L #B38M #SOUTHWEST #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
September 13, 2026 at 1:38 PM
abovestlouis.com
🇺🇸 N8686A - Boeing 737NG 8H4/W - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.9 mi away @ 9175 ft, heading WSW at 339 mph. Spotted 103x before. [08:39:11 AM CDT] #ABEFBA #N8686A #B738 #SOUTHWEST #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
September 12, 2026 at 1:39 PM
abovestlouis.com
🇺🇸 N8546V - Boeing 737NG 800/W - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.8 mi away @ 8575 ft, heading SW at 311 mph. Spotted 99x before. [08:43:16 AM CDT] #ABB972 #N8546V #B738 #SOUTHWEST #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
September 9, 2026 at 1:43 PM
abovestlouis.com
🇺🇸 N9015R - BOEING 737-8 - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.7 mi away @ 7625 ft, heading SW at 325 mph. Spotted 6x before. [08:49:52 AM CDT] #AC75FA #N9015R #B38M #SOUTHWEST #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
September 5, 2026 at 1:50 PM
abovestlouis.com
🇺🇸 N8319F - Boeing 737NG 8H4/W - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.4 mi away @ 7875 ft, heading SW at 335 mph. Spotted 102x before. [08:40:49 AM CDT] #AB5FAA #N8319F #B738 #SOUTHWEST #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
August 26, 2026 at 1:40 PM
abovestlouis.com
🇺🇸 N8321D - Boeing 737NG 8H4/W - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.4 mi away @ 6100 ft, heading SW at 327 mph. Spotted 101x before. [08:37:56 AM CDT] #AB6247 #N8321D #B738 #SOUTHWEST #SWA3399 #WN3399 #Landing #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
August 23, 2026 at 1:38 PM
abovestlouis.com
🇺🇸 N8984L - SOUTHWEST AIRLINES CO SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.4 mi away @ 7525 ft, heading WSW at 323 mph. Spotted 31x before. [08:48:11 AM CDT] #AC65FB #N8984L #B738 #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
August 22, 2026 at 1:48 PM
abovestlouis.com
🇺🇸 N8501V - Boeing 737NG 800/W - Southwest Airlines SWA3399/WN3399, St Louis Lambert (STL) to Los Angeles (LAX) - 3.6 mi away @ 8000 ft, heading SW at 325 mph. Spotted 109x before. [08:44:26 AM CDT] #ABA9E7 #N8501V #B738 #SOUTHWEST #SWA3399 #WN3399 #TakingOff #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
August 18, 2026 at 1:44 PM