{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fleet","items":[{"count":130,"name":"Boeing 737","note":"","unit":"in this fleet","url":"https://eflight.com/models/boeing/737"},{"count":82,"name":"Embraer EMB-145 ERJ 145","note":"","unit":"in this fleet","url":"https://eflight.com/models/embraer/emb-145"},{"count":66,"name":"Airbus A320","note":"","unit":"in this fleet","url":"https://eflight.com/models/airbus/a320"},{"count":63,"name":"Boeing 787 Dreamliner","note":"","unit":"in this fleet","url":"https://eflight.com/models/boeing/787"},{"count":59,"name":"Airbus A321","note":"","unit":"in this fleet","url":"https://eflight.com/models/airbus/a321"},{"count":785,"name":"Boeing","note":"","unit":"in this fleet","url":"https://eflight.com/makers/boeing"},{"count":116,"name":"Airbus Industrie","note":"","unit":"in this fleet","url":"https://eflight.com/makers/airbus-industrie"},{"count":93,"name":"Embraer S A","note":"","unit":"in this fleet","url":"https://eflight.com/makers/embraer-s-a"}],"relation":"flies"},{"group":"Where","items":[{"count":1216,"name":"Chicago, IL","note":"","unit":"aircraft registered here","url":""},{"count":null,"name":"Chicago Midway International","note":"MDW","unit":"","url":"https://eflight.com/airports/MDW"},{"count":null,"name":"Chicago O'Hare International","note":"ORD","unit":"","url":"https://eflight.com/airports/ORD"},{"count":8049,"name":"Illinois","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IL"}],"relation":"based in"},{"group":"Record","items":[{"count":8,"name":"FAA filings this year on the fleet's aircraft","note":"8 bill of sale","unit":"filings","url":""},{"count":null,"name":"N77066 \u00b7 Newark, NJ","note":"2026-05-03","unit":"","url":"https://eflight.com/accidents/DCA26FA194"},{"count":null,"name":"N23994 \u00b7 Pacific Ocean, PO","note":"2026-03-29","unit":"","url":"https://eflight.com/accidents/DCA26LA167"},{"count":null,"name":"N27213 \u00b7 Denver, CO","note":"2026-03-06","unit":"","url":"https://eflight.com/accidents/DCA26LA150"},{"count":null,"name":"80 more NTSB records in ten years under this fleet's current tail numbers","note":"","unit":"","url":"https://eflight.com/accidents"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Fleets: who owns the most","note":"","unit":"","url":"https://eflight.com/fleets"},{"count":null,"name":"The fleet by kind, state and owner type","note":"","unit":"","url":"https://eflight.com/analytics/fleet"}],"relation":"compared in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"aircraft":1216,"id":"united-airlines-inc","name":"United Airlines INC","owner_type":"Corporation","state":"IL","type":"fleet","url":"https://eflight.com/fleets/united-airlines-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}