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

🇺🇸 N13720 - Boeing 737NG 724/W - United Airlines UAL8126/UA8126 (RDU-ORD-SNA) - 4.7 mi away @ 40075 ft, heading SW at 504 mph. Spotted 21x before! [10:03:30 AM CDT] #A097E9 #N13720 #B737 #UNITED #UAL8126 #UA8126 #ADSB #ADSBbot

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

🇺🇸 N13720 - Boeing 737NG 724/W - United Airlines UAL490/UA490 (YYZ-ORD-SAT) - 5.2 mi away @ 40125 ft, heading SW at 459 mph. Spotted 20x before! [09:52:15 AM CDT] #A097E9 #N13720 #B737 #UNITED #UAL490 #UA490 #ADSB #ADSBbot

Incident: United B737 at Albuquerque on Jun 12th 2025, cabin pressure problems #B737 #N13720 #UA-1269
http://avherald.com/h?article=5291d149

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

🇺🇸 N13720 - Boeing 737NG 724/W - United Airlines UAL1046/UA1046, Hartsfield - Jackson Atlanta (ATL) to Chicago O'Hare (ORD) - 4.5 mi away @ 38625 ft, heading NNE at 539 mph. Spotted 19x before! [08:35:15 PM CDT] #A097E9 #N13720 #B737 #UNITED #UAL1046 #UA1046 #ADSB #ADSBbot

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

🇺🇸 N13720 - Boeing 737NG 724/W - United Airlines UAL1686/UA1686, Newark Liberty (EWR) to Dallas-Fort Worth (DFW) - 4.1 mi away @ 32550 ft, heading SW at 468 mph. Spotted 18x before! [08:10:55 AM CST] #A097E9 #N13720 #B737 #UNITED #UAL1686 #UA1686 #ADSB #ADSBbot