In practice, competence is mostly a judgment call of the Certificated Flight Instructor (CFI) responsible for the student. Typically, it takes from 10 to 30 hours of flight time before a pilot has the instinctive feel of an aircraft to be safe flying solo in other than perfect (no wind) weather.

There is no "magic number" of hours required by the FAA specifically to fly solo; instead, it depends on a student pilot's proficiency and their instructor's endorsement. However, most students reach this milestone after 10 to 25 hours of dual instruction. According to FAA regulations (14 CFR § 61.87), a student must demonstrate satisfactory knowledge of aeronautical rules and show consistent proficiency in maneuvers like takeoffs, landings, and emergency procedures before an instructor can sign them off. While the legal minimum for a Private Pilot License is 40 total hours (including 10 solo hours), the solo flight usually happens early in the training process once the student has mastered basic aircraft control. Factors like the frequency of lessons, weather conditions, and the complexity of the local airspace can all influence how quickly a student is ready to take the controls alone for the first time.

The number of hours required before a pilot can solo varies depending on the country’s aviation regulations, the type of aircraft, and the flight training program. However, in the United States, under Federal Aviation Regulations (FARs), a student pilot must meet the following minimum requirements before soloing:

1. Age: At least 16 years old for airplanes and gliders, or 14 years old for balloons.
2. Medical Certificate: Hold at least a third-class medical certificate (or a BasicMed qualification for certain pilots).
3. Training: Receive and log flight training from an authorized instructor, including pre-solo aeronautical knowledge and flight proficiency.
4. Endorsement: Obtain a pre-solo written test endorsement and a pre-solo flight endorsement from an authorized instructor.

On average, most student pilots solo after 10 to 20 hours of flight training. This can vary based on the student’s aptitude, the frequency of training, and the instructor’s assessment of the student’s readiness. The instructor must ensure the student can safely operate the aircraft alone before endorsing them for solo flight.

Always consult with your flight instructor and refer to the specific regulations in your country for precise requirements.