ICAO: A31216
Owner: UNITEDAIRLINES
Flt: UAL721 N29717 B737 BOS-IAD-LAS
Time: 2026-03-14 14:28:48 EDT
Min Alt: 5000 ft
Min Dist: 0.48 mi (110deg ESE)
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Planefence ICAO: A31216
Flt: UAL521 UNITEDAIRLINES JFK - SFO
First seen: 2026-01-11 18:48:48 EST
Min Alt: 4800 ft MSL
Min Dist: 1.19 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.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL3877/UA3877, Chicago/Rockford (RFD) to George Bush Intcntl/Houston (IAH) - 22.0 mi away @ 39750 ft, heading SSW at 493 mph. Spotted 37x before! [10:47:14 AM CST] #A31216 #N29717 #B737 #UNITED #UAL3877 #UA3877 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL1673/UA1673 (PIT-ORD-DFW) - 5.1 mi away @ 39975 ft, heading SW at 508 mph. Spotted 36x before! [08:38:36 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL1673 #UA1673 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL1304/UA1304 (PWM-ORD-DFW) - 6.1 mi away @ 39550 ft, heading SW at 523 mph. Spotted 35x before! [09:52:17 AM CDT] #A31216 #N29717 #B737 #UNITED #UAL1304 #UA1304 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL1655/UA1655 (YYC-ORD-DFW) - 4.7 mi away @ 39375 ft, heading SW at 468 mph. Spotted 34x before! [08:38:27 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL1655 #UA1655 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL1304/UA1304 (BDL-ORD-DFW) - 5.0 mi away @ 39425 ft, heading SW at 491 mph. Spotted 33x before! [09:41:00 AM CDT] #A31216 #N29717 #B737 #UNITED #UAL1304 #UA1304 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL1905/UA1905 (SAT-ORD-PIT) - 4.3 mi away @ 37200 ft, heading NNE at 522 mph. Spotted 32x before! [02:35:56 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL1905 #UA1905 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL490K/UA490K (YYZ-ORD-SAT) - 4.8 mi away @ 40300 ft, heading SW at 550 mph. Spotted 31x before! [10:11:18 AM CDT] #A31216 #N29717 #B737 #UNITED #UAL490K #UA490K #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL1086/UA1086, Charlotte/Douglas (CLT) to Chicago O'Hare (ORD) - 5.0 mi away @ 42275 ft, heading N at 530 mph. Spotted 30x before! [10:19:41 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL1086 #UA1086 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - BOEING 737-724 - United Airlines UAL590/UA590 (BWI-ORD-DFW) - 4.7 mi away @ 40100 ft, heading SW at 529 mph. Spotted 29x before! [10:25:16 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL590 #UA590 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL2333/UA2333 (CHS-ORD-BWI) - 5.1 mi away @ 40225 ft, heading NNE at 560 mph. Spotted 28x before! [06:44:52 AM CDT] #A31216 #N29717 #B737 #UNITED #UAL2333 #UA2333 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL490/UA490 (YYZ-ORD-SAT) - 4.9 mi away @ 40450 ft, heading SW at 506 mph. Spotted 27x before! [09:51:02 AM CDT] #A31216 #N29717 #B737 #UNITED #UAL490 #UA490 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL1126/UA1126 (MEM-ORD-CLE) - 4.4 mi away @ 38025 ft, heading N at 473 mph. Spotted 26x before! [08:20:42 AM CDT] #A31216 #N29717 #B737 #UNITED #UAL1126 #UA1126 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL516/UA516 (ATL-ORD-DFW) - 4.9 mi away @ 40100 ft, heading SSW at 464 mph. Spotted 25x before! [10:15:26 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL516 #UA516 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL2290/UA2290, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.9 mi away @ 40150 ft, heading SW at 506 mph. Spotted 24x before! [03:11:55 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL2290 #UA2290 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL793/UA793 (SFO-ORD-DFW) - 5.4 mi away @ 38500 ft, heading SW at 508 mph. Spotted 23x before! [04:57:39 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL793 #UA793 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N29717 - Boeing 737NG 724/W - United Airlines UAL358/UA358, Dallas-Fort Worth (DFW) to Washington Dulles (IAD) - 4.7 mi away @ 40000 ft, heading NE at 609 mph. Spotted 22x before! [09:04:37 PM CDT] #A31216 #N29717 #B737 #UNITED #UAL358 #UA358 #ADSB #ADSBbot
