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

🇺🇸 N814NV - Boeing 737MAX 8 200 - Allegiant Air AAY2722/G42722, The Eastern Iowa (CID) to St Pete-Clearwater (PIE) - 4.7 mi away @ 37925 ft, heading SSE at 536 mph. Spotted 3x before. [07:55:03 PM CDT] #AB1978 #N814NV #B38M #ALLEGIANT #AAY2722 #G42722 #ADSB #ADSBbot