ICAO: AAA244
Owner: UNITED AIRLINES
Flt: UAL2040 N78438 B739 BOS-ORD
Time: 2026-01-23 16:35:46 EST
Min Alt: 3225 ft
Min Dist: 0.7 mi (101° E)
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ICAO: AAA244
Owner: UNITED AIRLINES
Flt: UAL399 N78438 B739 ORD-BOS
Time: 2026-01-23 14:09:25 EST
Min Alt: 9225 ft
Min Dist: 0.98 nm (17° NNE)
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ICAO: AAA244
Owner: UNITED AIRLINES
Flt: UAL2067 N78438 B739 ORD-BOS
Time: 2026-01-04 10:38:39 EST
Min Alt: 9175 ft
Min Dist: 1.01 nm (26° NNE)
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Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N78438 - Boeing 737NG 924ER/W - United Airlines UAL1061/UA1061 (ORD-AUS-SFO-RNO) - 4.2 mi away @ 32100 ft, heading SW at 466 mph. Spotted 9x before! [09:55:29 AM CST] #AAA244 #N78438 #B739 #UNITED #UAL1061 #UA1061 #ADSB #ADSBbot

ICAO: AAA244
Owner: UNITED AIRLINES
Flt: UAL1977 N78438 B739 IAH-BOS
Time: 2025-10-18 11:45:23 EDT
Min Alt: 9550 ft
Min Dist: 1.01 km (27° NNE)
Squawk: 5755
Loudness: 0 dB
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Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N78438 - Boeing 737NG 924ER/W - United Airlines UAL660/UA660 (SYR-ORD-SAN-IAD) - 4.4 mi away @ 34925 ft, heading E at 612 mph. Spotted 8x before! [06:35:12 PM CST] #AAA244 #N78438 #B739 #UNITED #UAL660 #UA660 #ADSB #ADSBbot