Planefence ICAO: AAA616
Flt: UAL2040 UNITEDAIRLINES PHL - IAH
First seen: 2026-01-16 17:17:37 EST
Min Alt: 3050 ft MSL
Min Dist: 0.26 mi
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ICAO: AAA616
Owner: UNITED AIRLINES
Flt: UAL399 N78540 B738 ORD-BOS
Time: 2026-01-16 15:37:40 EST
Min Alt: 9200 ft
Min Dist: 0.98 nm (17° NNE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: AAA616
Owner: UNITED AIRLINES
Flt: UAL399 N78540 B738 ORD-BOS
Time: 2025-12-20 14:37:37 EST
Min Alt: 7900 ft
Min Dist: 0.99 nm (24° NNE)
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

Planefence ICAO: AAA616
Flt: UAL1301 UNITEDAIRLINES CLT - ORD
First seen: 2025-11-16 15:17:50 EST
Min Alt: 4250 ft MSL
Min Dist: 0.36 mi
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Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N78540 - Boeing 737NG 800/W - United Airlines UAL2129/UA2129, San Diego (SAN) to Washington Dulles (IAD) - 4.6 mi away @ 37250 ft, heading E at 580 mph. Spotted 19x before! [02:59:08 AM CST] #AAA616 #N78540 #B738 #UNITED #UAL2129 #UA2129 #ADSB #ADSBbot

Planefence ICAO: AAA616
Flt: UAL662 UNITEDAIRLINES EWR - DFW
First seen: 2025-04-20 10:05:14 EDT
Min Alt: 3075 ft MSL
Min Dist: 0.28 mi
adsb planefence by kx1t - adsbexchange - planefence

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

🇺🇸 N78540 - Boeing 737NG 800/W - United Airlines UAL457/UA457 (JAX-ORD-AUS) - 5.0 mi away @ 38300 ft, heading SW at 513 mph. Spotted 18x before! [11:34:42 PM CDT] #AAA616 #N78540 #B738 #UNITED #UAL457 #UA457 #ADSB #ADSBbot

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

🇺🇸 N78540 - Boeing 737NG 800/W - United Airlines UAL652/UA652, Denver (DEN) to St Louis Lambert (STL) - 3.6 mi away @ 8175 ft, heading E at 347 mph. Spotted 17x before! [12:38:33 PM CDT] #AAA616 #N78540 #B738 #UNITED #UAL652 #UA652 #Landing #Arrival #ADSB #ADSBbot