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

🇺🇸 N37297 - Boeing 737MAX 8 - United Airlines UAL636/UA636 (PNS-ORD-BTV) - 4.5 mi away @ 36025 ft, heading NNE at 563 mph. Spotted 7x before. [03:48:21 PM CST] #A43EEC #N37297 #B38M #UNITED #UAL636 #UA636 #ADSB #ADSBbot

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

🇺🇸 N33286 - Boeing 737NG 824/W - United Airlines UAL636/UA636 (PNS-ORD-BTV) - 4.8 mi away @ 38575 ft, heading NNE at 525 mph. Spotted 17x before! [03:37:21 PM CDT] #A3A0CC #N33286 #B738 #UNITED #UAL636 #UA636 #ADSB #ADSBbot