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

🇺🇸 N717TW - Boeing 757 231/W - Delta Air Lines DAL437/DL437, Los Angeles (LAX) to General Edward Lawrence Logan (BOS) - 4.0 mi away @ 35950 ft, heading E at 652 mph. Spotted 2x before. [06:17:41 PM CST] #A997CC #N717TW #B752 #DELTA #DAL437 #DL437 #ADSB #ADSBbot

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

🇺🇸 N712TW - Boeing 757 2Q8/W - Delta Air Lines DAL437/DL437, Los Angeles (LAX) to General Edward Lawrence Logan (BOS) - 4.9 mi away @ 40850 ft, heading ENE at 540 mph. Spotted 4x before! [08:44:27 PM CDT] #A98539 #N712TW #B752 #DELTA #DAL437 #DL437 #ADSB #ADSBbot