{"chart":{"slug":"airline-delays","title":"Which airlines have the most delayed flights?","takeaway":"In the 12 months through August 2026, JetBlue had the most late flights: 28.7% arrived 15 or more minutes late, against 18.9% for Delta Air Lines, the fewest. PSA, Envoy, Republic and SkyWest are regional airlines that fly under bigger airlines' names, such as American Eagle or United Express. Only the largest U.S. airlines report these numbers, for domestic flights.","topic":"Air travel","chart_type":"bar","ranking":false,"x_label":"Airline","y_label":"% of flights arriving 15+ minutes late","unit":"percent","points_count":14,"source":{"name":"U.S. Bureau of Transportation Statistics, Airline On-Time Performance (Reporting Carrier On-Time Performance, 1987–present)","url":"https://www.transtats.bts.gov/DL_SelectFields.aspx?gnoyr_VQ=FGJ\u0026QO_fu146_anzr=b0-gvzr"},"license":{"name":"Public domain (U.S. government work)","url":"https://www.usa.gov/government-copyright"},"data_as_of":"2026-08-31","updated_at":"2026-10-20T16:40:01.078Z","url":"https://chart.ly/charts/airline-delays","api_url":"https://chart.ly/api/v1/charts/airline-delays","csv_url":"https://chart.ly/charts/airline-delays/data.csv","image_url":"https://chart.ly/charts/airline-delays/image.png","embed_url":"https://chart.ly/charts/airline-delays/embed","credit":"U.S. Bureau of Transportation Statistics, Airline On-Time Performance (Reporting Carrier On-Time Performance, 1987–present), via Chartly (https://chart.ly/charts/airline-delays)","credit_html":"U.S. Bureau of Transportation Statistics, Airline On-Time Performance (Reporting Carrier On-Time Performance, 1987–present), via \u003ca href=\"https://chart.ly/charts/airline-delays\"\u003eChartly\u003c/a\u003e","average_label":null,"zero_axis":true,"data":[{"label":"JetBlue","value":28.7},{"label":"Spirit Airlines","value":28.0},{"label":"Frontier Airlines","value":27.3},{"label":"PSA Airlines","value":26.5},{"label":"Allegiant Air","value":26.1},{"label":"American Airlines","value":25.3},{"label":"Southwest Airlines","value":24.3},{"label":"Republic Airways","value":21.9},{"label":"SkyWest Airlines","value":21.3},{"label":"United Airlines","value":21.2},{"label":"Alaska Airlines","value":20.3},{"label":"Hawaiian Airlines","value":19.2},{"label":"Envoy Air","value":19.0},{"label":"Delta Air Lines","value":18.9}],"annotations":[]},"docs":"https://chart.ly/developers","terms":"Free to use with credit: wherever you show or quote a chart's data, name Chartly with a link to that chart's url (each chart's credit line does both) and credit its source as its license asks.","credit":"U.S. Bureau of Transportation Statistics, Airline On-Time Performance (Reporting Carrier On-Time Performance, 1987–present), via Chartly (https://chart.ly/charts/airline-delays)"}