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

🇺🇸 N775UA - Boeing 777 222 - United Airlines UAL1728/UA1728 (RSW-IAD-DEN) - 4.5 mi away @ 36900 ft, heading WSW at 498 mph. Spotted 5x before! [06:39:34 PM CDT] #AA7D5D #N775UA #B772 #UNITED #UAL1728 #UA1728 #ADSB #ADSBbot

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

🇺🇸 N775UA - Boeing 777 222 - United Airlines UAL1423/UA1423, Cancun (CUN) to Chicago O'Hare (ORD) - 5.0 mi away @ 38300 ft, heading N at 584 mph. Spotted 4x before! [04:56:00 PM CST] #AA7D5D #N775UA #B772 #UNITED #UAL1423 #UA1423 #ADSB #ADSBbot

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

🇺🇸 N775UA - Boeing 777 222 - United Airlines UAL1423/UA1423, Cancun (CUN) to Chicago O'Hare (ORD) - 4.9 mi away @ 38875 ft, heading NNE at 554 mph. Spotted 3x before! [04:44:44 PM CST] #AA7D5D #N775UA #B772 #UNITED #UAL1423 #UA1423 #ADSB #ADSBbot