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

🇺🇸 N37278 - Boeing 737MAX 8 - United Airlines UAL1199/UA1199, Denver (DEN) to Indianapolis (IND) - 5.6 mi away @ 38825 ft, heading E at 593 mph. Spotted 7x before! [09:21:30 PM CDT] #A43EA7 #N37278 #B38M #UNITED #UAL1199 #UA1199 #ADSB #ADSBbot

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

🇺🇸 N76523 - Boeing 737NG 824/W - United Airlines UAL1199/UA1199, Denver (DEN) to Indianapolis (IND) - 4.1 mi away @ 34650 ft, heading E at 524 mph. Spotted 9x before! [09:09:15 PM CDT] #AA56D5 #N76523 #B738 #UNITED #UAL1199 #UA1199 #ADSB #ADSBbot

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

🇺🇸 N14242 - Boeing 737NG 824/W - United Airlines UAL1199/UA1199, Denver (DEN) to Indianapolis (IND) - 5.4 mi away @ 39275 ft, heading E at 543 mph. Spotted 11x before! [08:25:33 PM CDT] #A0AD1D #N14242 #B738 #UNITED #UAL1199 #UA1199 #ADSB #ADSBbot