🇺🇸 N37561 - Boeing 737MAX 9 - United Airlines UAL1667/UA1667, Cancun (CUN) to Chicago O'Hare (ORD) - 4.3 mi away @ 30525 ft, heading N at 582 mph. Spotted 6x before. [06:10:46 PM CDT] #A449A2 #N37561 #B39M #UNITED #UAL1667 #UA1667 #ADSB #ADSBbot

🇺🇸 N77543 - Boeing 737MAX 9 - United Airlines UAL1667/UA1667, Cancun (CUN) to Chicago O'Hare (ORD) - 5.0 mi away @ 36025 ft, heading NNW at 493 mph. Spotted 12x before. [06:18:29 PM CDT] #AA7E9A #N77543 #B39M #UNITED #UAL1667 #UA1667 #ADSB #ADSBbot