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

🇺🇸 N222UA - Boeing 777 222ER - United Airlines UAL1423/UA1423, Cancun (CUN) to Chicago O'Hare (ORD) - 4.6 mi away @ 37250 ft, heading N at 489 mph. Spotted 6x before. [05:09:41 PM CST] #A1EA32 #N222UA #B772 #UNITED #UAL1423 #UA1423 #ADSB #ADSBbot

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

🇺🇸 N222UA - Boeing 777 222ER - United Airlines UAL1599/UA1599, Chicago O'Hare (ORD) to Denver (DEN) - 5.3 mi away @ 38425 ft, heading WSW at 568 mph. Spotted 5x before! [09:41:05 AM CDT] #A1EA32 #N222UA #B772 #UNITED #UAL1599 #UA1599 #ADSB #ADSBbot

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

🇺🇸 N222UA - Boeing 777 222ER - United Airlines UAL1423/UA1423, Cancun (CUN) to Chicago O'Hare (ORD) - 4.3 mi away @ 37425 ft, heading NNE at 584 mph. Spotted 4x before! [05:09:31 PM CST] #A1EA32 #N222UA #B772 #UNITED #UAL1423 #UA1423 #ADSB #ADSBbot