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

🇺🇸 N891UA - Airbus A319 132 - United Airlines UAL279/UA279, John Glenn Columbus (CMH) to San Francisco (SFO) - 4.3 mi away @ 36175 ft, heading W at 532 mph. Spotted 32x before! [07:55:08 AM CDT] #AC4ACE #N891UA #A319 #UNITED #UAL279 #UA279 #ADSB #ADSBbot

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

🇺🇸 N17401 - BOEING 737 MAX 9 - United Airlines UAL279/UA279, John Glenn Columbus (CMH) to San Francisco (SFO) - 4.5 mi away @ 36200 ft, heading W at 524 mph. Spotted once before! [08:34:29 AM CDT] #A12A7B #N17401 #B39M #UNITED #UAL279 #UA279 #ADSB #ADSBbot