{"data":{"id":"us/14-cfr-121.541","jurisdiction":"us","citation":"14 CFR 121.541","heading":"Operations schedules: Domestic and flag operations.","body":"In establishing flight operations schedules, each certificate holder conducting domestic or flag operations shall allow enough time for the proper servicing of aircraft at intermediate stops, and shall consider the prevailing winds en route and the cruising speed of the type of aircraft used. This cruising speed may not be more than that resulting from the specified cruising output of the engines.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS","PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS","Subpart T—Flight Operations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"3c452d4a648fde81667f13ff50787c02135f6bfbe5e5691b531063350f1385bc","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-121.539","next":"us/14-cfr-121.542"},"notice":"GroundRules: Original legal text. Not legal advice."}