ICAO: A3CF4F
Owner: UNITED AIRLINES
Flt: UAL721 N34455 B739 BOS-IAD
Time: 2026-01-28 14:30:35 EST
Min Alt: 4050 ft
Min Dist: 0.2 mi (-116° WSW)
adsb planefence by kx1t -•planefence•adsbexchange•flightaware•faa

ICAO: A3CF4F
Owner: UNITED AIRLINES
Flt: UAL721 N34455 B739 BOS-IAD
Time: 2026-01-28 14:30:57 EST
Min Alt: 5000 ft
Min Dist: 1.41 nm (93° E)•airplanes•flightaware•faa

ICAO: A3CF4F
Owner: UNITED AIRLINES
Flt: UAL1693 N34455 B739 ORD-BOS
Time: 2025-12-28 23:04:38 EST
Min Alt: 8450 ft
Min Dist: 0.98 nm (22° NNE)
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.

🇺🇸 N34455 - Boeing 737NG 924ER/W - United Airlines UAL2483/UA2483 (ROC-ORD-IAH-AUS) - 4.3 mi away @ 29825 ft, heading SW at 508 mph. Spotted 9x before! [11:46:58 AM CST] #A3CF4F #N34455 #B739 #UNITED #UAL2483 #UA2483 #ADSB #ADSBbot

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

🇺🇸 N34455 - Boeing 737NG 924ER/W - United Airlines UAL1288/UA1288, San Francisco (SFO) to Washington Dulles (IAD) - 4.7 mi away @ 36575 ft, heading ESE at 541 mph. Spotted 8x before! [05:29:04 AM CDT] #A3CF4F #N34455 #B739 #UNITED #UAL1288 #UA1288 #ADSB #ADSBbot

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

🇺🇸 N34455 - Boeing 737NG 924ER/W - United Airlines UAL1301/UA1301, Chicago O'Hare (ORD) to Wichita Dwight D Eisenhower Ntl (ICT) - 4.7 mi away @ 38075 ft, heading WSW at 486 mph. Spotted 7x before! [12:50:42 AM CDT] #A3CF4F #N34455 #B739 #UNITED #UAL1301 #UA1301 #ADSB #ADSBbot

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

🇺🇸 N34455 - Boeing 737NG 924ER/W - United Airlines UAL1044/UA1044 (RDU-ORD-DFW) - 5.0 mi away @ 36950 ft, heading SW at 508 mph. Spotted 6x before! [10:02:23 AM CDT] #A3CF4F #N34455 #B739 #UNITED #UAL1044 #UA1044 #ADSB #ADSBbot