{"id":437397,"date":"2026-05-25T02:00:18","date_gmt":"2026-05-24T16:00:18","guid":{"rendered":"https:\/\/simpleflying.com\/why-america-busiest-airport-running-air-traffic-software-built-before-iphone\/"},"modified":"2026-05-25T02:00:18","modified_gmt":"2026-05-24T16:00:18","slug":"why-americas-busiest-airport-is-still-running-on-air-traffic-software-built-before-the-iphone-existed","status":"publish","type":"post","link":"https:\/\/www.vibewire.com.au\/?p=437397","title":{"rendered":"Why America&#8217;s Busiest Airport Is Still Running On Air Traffic Software Built Before The iPhone Existed"},"content":{"rendered":"<p>There are various ways to grade how &#8220;busy&#8221; an airport is, and this impacts the rankings. The busiest airport is typically regarded to be <span class=\"display-card-hyperlink display-card-hyperlink-no-vignette\" data-id=\"259641\"style=\";  ;\" class=\"display-card-hyperlink display-card-hyperlink-no-vignette\"><a href=\"https:\/\/simpleflying.com\/tag\/hartsfield-jackson-atlanta-international-airport\/\"  >Hartsfield-Jackson Atlanta International Airport<\/a><\/span> as it has the most passengers annually (106.3 million in 2025). However, <span class=\"display-card-hyperlink-article\" data-id=\"2043895\"><a href=\"https:\/\/simpleflying.com\/2442-daily-movements-chicago-ohare-is-the-worlds-busiest-airport-for-flights\/\" >Chicago O&#8217;Hare also lays claim to being the busiest airport in the United States by number of takeoffs and landings<\/a><\/span>. In 2025, O&#8217;Hare had 857,392 aircraft movements, placing it ahead of Atlanta&#8217;s 805,268 movements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US is currently overhauling its ATC infrastructure and replacing various outdated systems, even if those systems still work.<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[396,1054,475,579,423],"tags":[],"class_list":["post-437397","post","type-post","status-publish","format-standard","hentry","category-aircraft","category-airport","category-airports","category-hartsfield-jackson-atlanta-international-airport","category-united-states"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/437397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=437397"}],"version-history":[{"count":1,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/437397\/revisions"}],"predecessor-version":[{"id":437398,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/437397\/revisions\/437398"}],"wp:attachment":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=437397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=437397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=437397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}