🇺🇸 N78506 - Boeing 737NG 824/W - United Airlines UAL378/UA378, Orlando (MCO) to Chicago O'Hare (ORD) - 5.6 mi away @ 37625 ft, heading NNE at 546 mph. Spotted 26x before. [04:20:37 PM CDT] #AAA590 #N78506 #B738 #UNITED #UAL378 #UA378 #ADSB #ADSBbot