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

🇺🇸 N77539 - Boeing 737NG 800/W - United Airlines UAL652/UA652, Denver (DEN) to St Louis Lambert (STL) - 3.2 mi away @ 7950 ft, heading E at 379 mph. Spotted 9x before. [12:53:46 PM CST] #AA7E7D #N77539 #B738 #UNITED #UAL652 #UA652 #Landing #Arrival #ADSB #ADSBbot

ICAO: AA7E7D
Owner: UNITED AIRLINES
Flt: UAL1677 N77539 B738 ORD-BOS
Time: 2025-12-09 19:18:50 EST
Min Alt: 7875 ft
Min Dist: 1.01 nm (29° NNE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: AA7E7D
Owner: UNITED AIRLINES
Flt: UAL8129 N77539 B738 ORD-CLE (?)
Time: 2025-11-30 14:21:25 EST
Min Alt: 7700 ft
Min Dist: 0.99 nm (23° NNE)
Loudness: 0 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: AA7E7D
Owner: UNITED AIRLINES
Flt: UAL1677 N77539 B738 ORD-BOS
Time: 2025-11-26 19:46:02 EST
Min Alt: 8850 ft
Min Dist: 6.4 nm (-8° N)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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

🇺🇸 N77539 - Boeing 737NG 800/W - United Airlines UAL349/UA349, Cozumel (CZM) to Chicago O'Hare (ORD) - 4.6 mi away @ 38050 ft, heading NNW at 455 mph. Spotted 8x before! [03:53:02 PM CST] #AA7E7D #N77539 #B738 #UNITED #UAL349 #UA349 #ADSB #ADSBbot

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

🇺🇸 N77539 - Boeing 737NG 800/W - United Airlines UAL1830/UA1830, Louis Armstrong New Orleans (MSY) to Chicago O'Hare (ORD) - 4.5 mi away @ 36975 ft, heading NNW at 508 mph. Spotted 7x before! [08:27:24 AM CDT] #AA7E7D #N77539 #B738 #UNITED #UAL1830 #UA1830 #ADSB #ADSBbot

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

🇺🇸 N77539 - Boeing 737NG 800/W - United Airlines UAL623/UA623 (LGA-ORD-AUS) - 4.4 mi away @ 36425 ft, heading SW at 433 mph. Spotted 6x before! [02:28:25 PM CST] #AA7E7D #N77539 #B738 #UNITED #UAL623 #UA623 #ADSB #ADSBbot