🇺🇸 N952CA - Boeing 747 428BCF - National Airlines NCR803/N8803, Chicago O'Hare (ORD) to Don Miguel Hidalgo Y Costilla (GDL) - 5.3 mi away @ 39950 ft, heading SW at 523 mph. Spotted 4x before. [06:38:21 AM CDT] #AD3C48 #N952CA #B744 #NATIONAL_CARGO #NCR803 #N8803 #ADSB #ADSBbot

🇺🇸 N663CA - Boeing 747 4HAERF - National Airlines NCR803/N8803, Dallas-Fort Worth (DFW) to Toronto Pearson (YYZ) - 4.4 mi away @ 36725 ft, heading NE at 580 mph. Spotted once before. [12:21:46 PM CDT] #A8BF91 #N663CA #B744 #NATIONAL_CARGO #NCR803 #N8803 #ADSB #ADSBbot