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

🇺🇸 N8865L - Boeing 737MAX 8 - Southwest Airlines SWA4290/WN4290, Pittsburgh (PIT) to Harry Reid (LAS) - 4.3 mi away @ 38300 ft, heading W at 412 mph. Spotted 104x before. [07:26:45 PM CST] #AC3731 #N8865L #B38M #SOUTHWEST #SWA4290 #WN4290 #ADSB #ADSBbot