🇺🇸 N331DU - AIRBUS CANADA LP BD-500-1A11 - DELTA AIR LINES INC DAL1297/DL1297, Austin-Bergstrom (AUS) to General Edward Lawrence Logan (BOS) - 5.7 mi away @ 40900 ft, heading NE at 551 mph. Spotted 5x before. [08:28:00 PM CDT] #A399E4 #N331DU #BCS3 #DAL1297 #DL1297 #ADSB #ADSBbot

🇺🇸 N323DU - Airbus A220 300 - Delta Air Lines DAL1297/DL1297 (BOS-AUS-BOS) - 5.3 mi away @ 40050 ft, heading NE at 537 mph. Spotted 16x before. [07:35:00 PM CDT] #A379D3 #N323DU #BCS3 #DELTA #DAL1297 #DL1297 #ADSB #ADSBbot