Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N8578Q - Boeing 737NG 800/W - Southwest Airlines SWA1167/WN1167, Baltimore/Washington Thurgood Marshall (BWI) to Harry Reid (LAS) - 4.3 mi away @ 37050 ft, heading W at 454 mph. Spotted 76x before. [07:05:19 AM CDT] #ABC4D8 #N8578Q #B738 #SOUTHWEST #SWA1167 #WN1167 #ADSB #ADSBbot