Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N8665D - Boeing 737NG 8H4/W - Southwest Airlines SWA257/WN257, Baltimore/Washington Thurgood Marshall (BWI) to Phoenix Sky Harbor (PHX) - 16.0 mi away @ 37950 ft, heading W at 498 mph. Spotted 72x before! [06:59:04 PM CDT] #ABE82C #N8665D #B738 #SOUTHWEST #SWA257 #WN257 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N8670A - Boeing 737NG 8H4/W - Southwest Airlines SWA257/WN257, Baltimore/Washington Thurgood Marshall (BWI) to Phoenix Sky Harbor (PHX) - 4.6 mi away @ 38050 ft, heading W at 509 mph. Spotted 73x before! [06:57:16 PM CDT] #ABEB31 #N8670A #B738 #SOUTHWEST #SWA257 #WN257 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N7863A - Boeing 737NG 7Q8/W - Southwest Airlines SWA257/WN257 (FLL-BWI-PHX) - 4.5 mi away @ 35625 ft, heading W at 470 mph. Spotted 56x before! [03:23:50 PM CDT] #AAA992 #N7863A #B737 #SOUTHWEST #SWA257 #WN257 #ADSB #ADSBbot