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

🇺🇸 N17344 - Boeing 737MAX 8 - United Airlines UAL1939/UA1939, San Francisco (SFO) to Indianapolis (IND) - 4.8 mi away @ 38800 ft, heading E at 548 mph. Spotted 2x before! [03:09:37 PM CDT] #A12753 #N17344 #B38M #UNITED #UAL1939 #UA1939 #ADSB #ADSBbot

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

🇺🇸 N17344 - Boeing 737MAX 8 - United Airlines UAL2266/UA2266, Newark Liberty (EWR) to Dallas-Fort Worth (DFW) - 3.9 mi away @ 32525 ft, heading SW at 420 mph. Spotted once before! [01:23:39 PM CST] #A12753 #N17344 #B38M #UNITED #UAL2266 #UA2266 #ADSB #ADSBbot