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Only 50 states/DC origins."},{"file":"airport-month-2025-08.csv","url":"https://transtats.bts.gov/PREZIP/On_Time_Reporting_Carrier_On_Time_Performance_1987_present_2025_8.zip","retrieved":"2026-10-02","sha256":"994d5e2e11ceecfc8ca8da5054438527d6c2cc7f512cce01915ca8a3e8d9a6c0","downloadSha256":"405668b8a807266236a635efbc1e9364abfb756db1a5c895e45abc9c7b7684f1","selection":"Exact sum/count aggregation of Origin, Reporting_Airline, CRSDepTime (origin local scheduled six-hour bins), Cancelled, Diverted, DepDelay, DepDel15 and ArrDelay. Cancelled flights remain in scheduled-flight denominators. Signed delay includes early flights. Only 50 states/DC origins."},{"file":"airport-month-2025-09.csv","url":"https://transtats.bts.gov/PREZIP/On_Time_Reporting_Carrier_On_Time_Performance_1987_present_2025_9.zip","retrieved":"2026-10-02","sha256":"af1afe6f499bc6ab1e79d7a0f82d967cd7c58cde56058c64691f076844d67513","downloadSha256":"adc722b1c14944451b20ddcdbeec69bbc092310ab8044f758b8f4b82fde8d017","selection":"Exact sum/count aggregation of Origin, Reporting_Airline, CRSDepTime (origin local scheduled six-hour bins), Cancelled, Diverted, DepDelay, DepDel15 and ArrDelay. Cancelled flights remain in scheduled-flight denominators. Signed delay includes early flights. Only 50 states/DC origins."},{"file":"airport-month-2025-10.csv","url":"https://transtats.bts.gov/PREZIP/On_Time_Reporting_Carrier_On_Time_Performance_1987_present_2025_10.zip","retrieved":"2026-10-02","sha256":"f61342d905d03027b80ad9455c3c3d7597595cf80b21dd32c98c26c07f78897c","downloadSha256":"05d14d3fd67fa3e04b97c4d6bc7386f4a6c1cda13d2506cf0e9f0a6c620ed111","selection":"Exact sum/count aggregation of Origin, Reporting_Airline, CRSDepTime (origin local scheduled six-hour bins), Cancelled, Diverted, DepDelay, DepDel15 and ArrDelay. Cancelled flights remain in scheduled-flight denominators. Signed delay includes early flights. Only 50 states/DC origins."},{"file":"airport-month-2025-11.csv","url":"https://transtats.bts.gov/PREZIP/On_Time_Reporting_Carrier_On_Time_Performance_1987_present_2025_11.zip","retrieved":"2026-10-02","sha256":"a61fd0789d011c3de35661b6994e1a228f033fd31bd41472e330affe19b82a73","downloadSha256":"6d5b68eea3ebb25f3cb2843e701a6c809b5455301b3bbd7802a20d522ed770c8","selection":"Exact sum/count aggregation of Origin, Reporting_Airline, CRSDepTime (origin local scheduled six-hour bins), Cancelled, Diverted, DepDelay, DepDel15 and ArrDelay. Cancelled flights remain in scheduled-flight denominators. Signed delay includes early flights. Only 50 states/DC origins."},{"file":"airport-month-2025-12.csv","url":"https://transtats.bts.gov/PREZIP/On_Time_Reporting_Carrier_On_Time_Performance_1987_present_2025_12.zip","retrieved":"2026-10-02","sha256":"96d28c3d52ad5f10878e7332541cd8aabc0490bf0061f0440b114274f097d7b3","downloadSha256":"a2af96d186bc9997fef47382b8589198281c9a722286d88f30032af8ee7dcd0f","selection":"Exact sum/count aggregation of Origin, Reporting_Airline, CRSDepTime (origin local scheduled six-hour bins), Cancelled, Diverted, DepDelay, DepDel15 and ArrDelay. Cancelled flights remain in scheduled-flight denominators. Signed delay includes early flights. Only 50 states/DC origins."},{"file":"airport-points-0.json","url":"https://services.arcgis.com/xOi1kZaI0eWDREZv/arcgis/rest/services/NTAD_Aviation_Facilities/FeatureServer/0/query?f=json&where=SITE_TYPE_CODE%3D%27A%27&outFields=ARPT_ID%2CARPT_NAME%2CSTATE_CODE%2CLAT_DECIMAL%2CLONG_DECIMAL%2CEFF_DATE&returnGeometry=false&orderByFields=OBJECTID&resultOffset=0&resultRecordCount=2000","retrieved":"2026-10-02","sha256":"79cc350784a05ad8f1f8411c30a6ee83f0a2b587d684bb57beb05c379d81e55d","downloadSha256":"79cc350784a05ad8f1f8411c30a6ee83f0a2b587d684bb57beb05c379d81e55d","selection":"Unchanged BTS/FAA NTAD operational aviation-facility reference points. Exact FAA airport ID matches; unmatched reporting-airport points remain unavailable. Current reference coordinates are not a 2025 facility-status claim."},{"file":"airport-points-2000.json","url":"https://services.arcgis.com/xOi1kZaI0eWDREZv/arcgis/rest/services/NTAD_Aviation_Facilities/FeatureServer/0/query?f=json&where=SITE_TYPE_CODE%3D%27A%27&outFields=ARPT_ID%2CARPT_NAME%2CSTATE_CODE%2CLAT_DECIMAL%2CLONG_DECIMAL%2CEFF_DATE&returnGeometry=false&orderByFields=OBJECTID&resultOffset=2000&resultRecordCount=2000","retrieved":"2026-10-02","sha256":"9a3c8fe20a0d8b153515b314f7ed7f9c708a779c866c93ac5859d151aa17dfee","downloadSha256":"9a3c8fe20a0d8b153515b314f7ed7f9c708a779c866c93ac5859d151aa17dfee","selection":"Unchanged BTS/FAA NTAD operational aviation-facility reference points. Exact FAA airport ID matches; unmatched reporting-airport points remain unavailable. Current reference coordinates are not a 2025 facility-status claim."},{"file":"airport-points-4000.json","url":"https://services.arcgis.com/xOi1kZaI0eWDREZv/arcgis/rest/services/NTAD_Aviation_Facilities/FeatureServer/0/query?f=json&where=SITE_TYPE_CODE%3D%27A%27&outFields=ARPT_ID%2CARPT_NAME%2CSTATE_CODE%2CLAT_DECIMAL%2CLONG_DECIMAL%2CEFF_DATE&returnGeometry=false&orderByFields=OBJECTID&resultOffset=4000&resultRecordCount=2000","retrieved":"2026-10-02","sha256":"06a1f8b2992dcd92f3eb88e9ae9684f16ca7a7d4730e08fadb3358785ec55192","downloadSha256":"06a1f8b2992dcd92f3eb88e9ae9684f16ca7a7d4730e08fadb3358785ec55192","selection":"Unchanged BTS/FAA NTAD operational aviation-facility reference points. Exact FAA airport ID matches; unmatched reporting-airport points remain unavailable. Current reference coordinates are not a 2025 facility-status claim."},{"file":"airport-points-6000.json","url":"https://services.arcgis.com/xOi1kZaI0eWDREZv/arcgis/rest/services/NTAD_Aviation_Facilities/FeatureServer/0/query?f=json&where=SITE_TYPE_CODE%3D%27A%27&outFields=ARPT_ID%2CARPT_NAME%2CSTATE_CODE%2CLAT_DECIMAL%2CLONG_DECIMAL%2CEFF_DATE&returnGeometry=false&orderByFields=OBJECTID&resultOffset=6000&resultRecordCount=2000","retrieved":"2026-10-02","sha256":"bd752bd7019d07e1b39c845b5ac188edb3401f15fec7f2ce0d005602ee147111","downloadSha256":"bd752bd7019d07e1b39c845b5ac188edb3401f15fec7f2ce0d005602ee147111","selection":"Unchanged BTS/FAA NTAD operational aviation-facility reference points. Exact FAA airport ID matches; unmatched reporting-airport points remain unavailable. Current reference coordinates are not a 2025 facility-status claim."},{"file":"airport-points-8000.json","url":"https://services.arcgis.com/xOi1kZaI0eWDREZv/arcgis/rest/services/NTAD_Aviation_Facilities/FeatureServer/0/query?f=json&where=SITE_TYPE_CODE%3D%27A%27&outFields=ARPT_ID%2CARPT_NAME%2CSTATE_CODE%2CLAT_DECIMAL%2CLONG_DECIMAL%2CEFF_DATE&returnGeometry=false&orderByFields=OBJECTID&resultOffset=8000&resultRecordCount=2000","retrieved":"2026-10-02","sha256":"52fe26d2fc1aecc37290e37030c0db0d5a3c3624912bcc9a4a8d554c21e93366","downloadSha256":"52fe26d2fc1aecc37290e37030c0db0d5a3c3624912bcc9a4a8d554c21e93366","selection":"Unchanged BTS/FAA NTAD operational aviation-facility reference points. Exact FAA airport ID matches; unmatched reporting-airport points remain unavailable. Current reference coordinates are not a 2025 facility-status claim."},{"file":"airport-points-10000.json","url":"https://services.arcgis.com/xOi1kZaI0eWDREZv/arcgis/rest/services/NTAD_Aviation_Facilities/FeatureServer/0/query?f=json&where=SITE_TYPE_CODE%3D%27A%27&outFields=ARPT_ID%2CARPT_NAME%2CSTATE_CODE%2CLAT_DECIMAL%2CLONG_DECIMAL%2CEFF_DATE&returnGeometry=false&orderByFields=OBJECTID&resultOffset=10000&resultRecordCount=2000","retrieved":"2026-10-02","sha256":"08e5551cbfcf43b84bec60d9b6ec595f00a1f57905ea512d249117b7f0aaebd8","downloadSha256":"08e5551cbfcf43b84bec60d9b6ec595f00a1f57905ea512d249117b7f0aaebd8","selection":"Unchanged BTS/FAA NTAD operational aviation-facility reference points. Exact FAA airport ID matches; unmatched reporting-airport points remain unavailable. Current reference coordinates are not a 2025 facility-status claim."},{"file":"airport-points-12000.json","url":"https://services.arcgis.com/xOi1kZaI0eWDREZv/arcgis/rest/services/NTAD_Aviation_Facilities/FeatureServer/0/query?f=json&where=SITE_TYPE_CODE%3D%27A%27&outFields=ARPT_ID%2CARPT_NAME%2CSTATE_CODE%2CLAT_DECIMAL%2CLONG_DECIMAL%2CEFF_DATE&returnGeometry=false&orderByFields=OBJECTID&resultOffset=12000&resultRecordCount=2000","retrieved":"2026-10-02","sha256":"e8fc893794be404af78822e9d4bfbeb1b01fccadf43e471e09f1ca783ebf4ee9","downloadSha256":"e8fc893794be404af78822e9d4bfbeb1b01fccadf43e471e09f1ca783ebf4ee9","selection":"Unchanged BTS/FAA NTAD operational aviation-facility reference points. Exact FAA airport ID matches; unmatched reporting-airport points remain unavailable. Current reference coordinates are not a 2025 facility-status claim."}],"notes":["2025 BTS reporting-carrier domestic flights; coverage excludes carriers/flights outside the reporting program. An airport is the departure origin. Cancellation rate uses all scheduled reported flights; departure-delay rate uses flights with a known departure delay. Mean signed delays include early departures/arrivals and exclude unavailable delay records. Winter pools January, February and December of 2025. Reporting-carrier identity may differ from the marketing airline. Six-hour bins use scheduled local departure time, not actual departure time. Historical aggregates are not a flight forecast."],"geographyLabel":"BTS/FAA airport reference coordinates","loadedState":"MD"}