{"schemaVersion":"WP-AVIATION-DISRUPTIONS-1.0","freshness":"near-real-time","observedAt":"2026-10-28T19:30:18.000Z","coverage":{"geography":"United States","scope":"Active FAA airport traffic-management events","boundary":"An airport event is not a flight-specific status, cancellation or delay receipt."},"summary":{"activeAirports":3,"majorDisruptions":0,"groundStops":0,"groundDelayPrograms":0,"closures":0,"arrivalDelayEvents":0,"departureDelayEvents":0,"freeFormRestrictions":3},"items":[{"airportCode":"LAS","airportName":"Harry Reid International","latitude":36.084,"longitude":-115.1537,"observedAt":"2026-10-28T19:30:18.000Z","groundStop":null,"groundDelayProgram":null,"airportClosure":null,"arrivalDelay":null,"departureDelay":null,"freeFormRestriction":{"active":true,"classification":"FAA free-form NOTAM restriction","text":"!LAS 10/160 LAS AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR 702-261-7775 2610281926-2701272300","startsAt":"2026-10-28T19:26:00.000Z","endsAt":"2027-01-27T23:00:00.000Z","issuedAt":"2026-10-28T19:26:00.000Z","observedAt":"2026-10-28T19:30:18.000Z","notamNumber":160,"interpretationBoundary":"The FAA supplies this as free-form NOTAM text. WorldPredicta does not expand abbreviations or reclassify its scope as a general airport closure."},"deicing":null,"runwayConfiguration":{"arrival":"19R/26L","departure":"19L/26R","arrivalRatePerHour":56,"observedAt":"2026-10-31T15:12:18.000Z"},"status":"advisory","severity":1,"explanation":{"whatHappened":"The FAA currently reports a free-form FAA/NOTAM restriction at LAS. Its free-form restriction text is preserved without broadening it into a general closure claim.","whyItMayBeHappening":"The current FAA record does not provide a normalized cause.","whyItMatters":"Airport-level restrictions can affect many flights, but they do not prove that a specific flight is delayed.","whatCouldHappenNext":"The event may be extended, reduced or canceled as traffic volume, runway capacity and weather change.","whatWouldImproveIt":"A withdrawn program, lower published delays or restored airport capacity would indicate improvement.","whatWouldMakeItWorse":"A longer restriction window, a ground stop, a closure or rising average delay would indicate deterioration.","observed":["FAA reports a free-form FAA/NOTAM restriction.","FAA labels one record as a free-form NOTAM restriction; its plain text is shown without interpretation."],"inferred":["Connecting flights and aircraft rotations may carry some disruption beyond this airport."],"unknown":["Airline-specific cancellations and gate changes are not included in this feed.","The feed does not establish the status or delay reason of every individual flight.","The operational scope of FAA abbreviations in the free-form restriction has not been independently normalized."]},"source":{"name":"FAA National Airspace System Status","url":"https://nasstatus.faa.gov/","scope":"United States airport-level traffic-management events"}},{"airportCode":"LAX","airportName":"Los Angeles International","latitude":33.9416,"longitude":-118.4085,"observedAt":"2026-05-27T18:31:49.000Z","groundStop":null,"groundDelayProgram":null,"airportClosure":null,"arrivalDelay":null,"departureDelay":null,"freeFormRestriction":{"active":true,"classification":"FAA free-form NOTAM restriction","text":"!LAX 05/277 LAX AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR CTC ATLANTIC AVIATION 310-258-9884 OR SIGNATURE AVIATION 310-410-9605 2605271826-2705281600","startsAt":"2026-05-27T18:26:00.000Z","endsAt":"2027-05-28T16:00:00.000Z","issuedAt":"2026-05-27T18:26:00.000Z","observedAt":"2026-05-27T18:31:49.000Z","notamNumber":277,"interpretationBoundary":"The FAA supplies this as free-form NOTAM text. WorldPredicta does not expand abbreviations or reclassify its scope as a general airport closure."},"deicing":null,"runwayConfiguration":null,"status":"advisory","severity":1,"explanation":{"whatHappened":"The FAA currently reports a free-form FAA/NOTAM restriction at LAX. Its free-form restriction text is preserved without broadening it into a general closure claim.","whyItMayBeHappening":"The current FAA record does not provide a normalized cause.","whyItMatters":"Airport-level restrictions can affect many flights, but they do not prove that a specific flight is delayed.","whatCouldHappenNext":"The event may be extended, reduced or canceled as traffic volume, runway capacity and weather change.","whatWouldImproveIt":"A withdrawn program, lower published delays or restored airport capacity would indicate improvement.","whatWouldMakeItWorse":"A longer restriction window, a ground stop, a closure or rising average delay would indicate deterioration.","observed":["FAA reports a free-form FAA/NOTAM restriction.","FAA labels one record as a free-form NOTAM restriction; its plain text is shown without interpretation."],"inferred":["Connecting flights and aircraft rotations may carry some disruption beyond this airport."],"unknown":["Airline-specific cancellations and gate changes are not included in this feed.","The feed does not establish the status or delay reason of every individual flight.","The operational scope of FAA abbreviations in the free-form restriction has not been independently normalized."]},"source":{"name":"FAA National Airspace System Status","url":"https://nasstatus.faa.gov/","scope":"United States airport-level traffic-management events"}},{"airportCode":"SAN","airportName":"San Diego-Lindbergh Field","latitude":32.7338,"longitude":-117.1933,"observedAt":"2026-10-01T16:35:24.000Z","groundStop":null,"groundDelayProgram":null,"airportClosure":null,"arrivalDelay":null,"departureDelay":null,"freeFormRestriction":{"active":true,"classification":"FAA free-form NOTAM restriction","text":"!SAN 10/004 SAN AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC PPR 619-298-7704 2610011633-2701010800","startsAt":"2026-10-01T16:33:00.000Z","endsAt":"2027-01-01T08:00:00.000Z","issuedAt":"2026-10-01T16:33:00.000Z","observedAt":"2026-10-01T16:35:24.000Z","notamNumber":4,"interpretationBoundary":"The FAA supplies this as free-form NOTAM text. WorldPredicta does not expand abbreviations or reclassify its scope as a general airport closure."},"deicing":null,"runwayConfiguration":null,"status":"advisory","severity":1,"explanation":{"whatHappened":"The FAA currently reports a free-form FAA/NOTAM restriction at SAN. Its free-form restriction text is preserved without broadening it into a general closure claim.","whyItMayBeHappening":"The current FAA record does not provide a normalized cause.","whyItMatters":"Airport-level restrictions can affect many flights, but they do not prove that a specific flight is delayed.","whatCouldHappenNext":"The event may be extended, reduced or canceled as traffic volume, runway capacity and weather change.","whatWouldImproveIt":"A withdrawn program, lower published delays or restored airport capacity would indicate improvement.","whatWouldMakeItWorse":"A longer restriction window, a ground stop, a closure or rising average delay would indicate deterioration.","observed":["FAA reports a free-form FAA/NOTAM restriction.","FAA labels one record as a free-form NOTAM restriction; its plain text is shown without interpretation."],"inferred":["Connecting flights and aircraft rotations may carry some disruption beyond this airport."],"unknown":["Airline-specific cancellations and gate changes are not included in this feed.","The feed does not establish the status or delay reason of every individual flight.","The operational scope of FAA abbreviations in the free-form restriction has not been independently normalized."]},"source":{"name":"FAA National Airspace System Status","url":"https://nasstatus.faa.gov/","scope":"United States airport-level traffic-management events"}}],"source":{"name":"FAA National Airspace System Status","url":"https://nasstatus.faa.gov/","dataUrl":"https://nasstatus.faa.gov/api/airport-events"},"verification":{"feedEmptyVerified":false,"sourceReceipt":{"kind":"origin-http-date","observedAt":"2026-10-31T20:35:19.000Z","header":"Date"},"boundary":"Active events carry FAA event timestamps; the source receipt is exposed when the origin supplies one."},"retention":{"mode":"current"}}