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

🇳🇱 PH-BQH - Boeing 777 206ER - KLM Royal Dutch Airlines KLM661/KL661, Amsterdam Schiphol (AMS) to George Bush Intcntl/Houston (IAH) - 3.5 mi away @ 30100 ft, heading SSW at 500 mph. Spotted 2x before! [12:01:43 PM CST] #48436F #PH_BQH #B772 #KLM #KLM661 #KL661 #ADSB #ADSBbot

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

🇳🇱 PH-BQH - Boeing 777 206ER - KLM Royal Dutch Airlines KLM661/KL661, Amsterdam Schiphol (AMS) to George Bush Intcntl/Houston (IAH) - 4.5 mi away @ 36475 ft, heading SSW at 582 mph. Spotted once before! [11:51:07 AM CST] #48436F #PH_BQH #B772 #KLM #KLM661 #KL661 #ADSB #ADSBbot