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

🇺🇸 N17338 - Boeing 737MAX 8 - United Airlines UAL2660/UA2660 (STL-DEN-SBA) - 3.6 mi away @ 13200 ft, heading WNW at 428 mph. Spotted 5x before! [05:44:27 PM CDT] #A12734 #N17338 #B38M #UNITED #UAL2660 #UA2660 #TakingOff #ADSB #ADSBbot

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

🇺🇸 N17338 - Boeing 737MAX 8 - United Airlines UAL2290/UA2290, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 5.2 mi away @ 39650 ft, heading SW at 525 mph. Spotted 4x before! [01:38:46 PM CDT] #A12734 #N17338 #B38M #UNITED #UAL2290 #UA2290 #ADSB #ADSBbot

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

🇺🇸 N17338 - Boeing 737MAX 8 - United Airlines UAL2007/UA2007, La Aurora (GUA) to Chicago O'Hare (ORD) - 3.8 mi away @ 32800 ft, heading NNE at 486 mph. Spotted 3x before! [05:12:41 PM CDT] #A12734 #N17338 #B38M #UNITED #UAL2007 #UA2007 #ADSB #ADSBbot