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

🇺🇸 N123DQ - Airbus A220 100 - Delta Air Lines DAL846A/DL846A (LGA-DFW-LGA) - 4.8 mi away @ 38425 ft, heading ENE at 611 mph. Spotted 15x before! [08:41:33 PM CDT] #A05F31 #N123DQ #BCS1 #DELTA #DAL846A #DL846A #ADSB #ADSBbot