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

🇺🇸 N811NV - Boeing 737MAX 8 200 - Allegiant Air AAY992/G4992, The Eastern Iowa (CID) to St Pete-Clearwater (PIE) - 5.4 mi away @ 38825 ft, heading SSE at 591 mph. Spotted 2x before! [11:00:13 AM CDT] #AB0E53 #N811NV #B38M #ALLEGIANT #AAY992 #G4992 #ADSB #ADSBbot