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

🇺🇸 N47505 - Boeing 737MAX 9 - United Airlines UAL1439/UA1439, Dallas-Fort Worth (DFW) to Newark Liberty (EWR) - 4.9 mi away @ 37050 ft, heading NE at 494 mph. Spotted 2x before! [09:17:37 PM CDT] #A5D623 #N47505 #B39M #UNITED #UAL1439 #UA1439 #ADSB #ADSBbot

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

🇺🇸 N77587 - BOEING 737 MAX 9 - United Airlines UAL1439/UA1439, Dallas-Fort Worth (DFW) to Newark Liberty (EWR) - 4.9 mi away @ 41400 ft, heading ENE at 534 mph. Spotted 2x before! [08:52:46 PM CDT] #AA7F2A #N77587 #B39M #UNITED #UAL1439 #UA1439 #ADSB #ADSBbot