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

🇺🇸 N24514 - Airbus A321 271NXSL - United Airlines UAL1568/UA1568, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 3.8 mi away @ 30200 ft, heading SW at 551 mph. Spotted for first time! [06:56:03 PM CST] #A2452A #N24514 #A21N #UNITED #UAL1568 #UA1568 #ADSB #ADSBbot

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

🇺🇸 N14521 - Airbus A321 271NXSL - United Airlines UAL1568/UA1568, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 3.8 mi away @ 29875 ft, heading SW at 535 mph. Spotted for first time! [06:47:20 PM CST] #A0B7FB #N14521 #A21N #UNITED #UAL1568 #UA1568 #ADSB #ADSBbot