"In certain circumstances, completing the Medical Information Form before your flight is essential to ensure a safe and comfortable journey. Here are the situations that require you to submit a medical information form signed by your physician: If you require medical assistance on the ground or the flight. When you plan to use any medical equipment on the flight. When you require oxygen supply during the flight. If you need extra space for leg elevation. If you need a stretcher or incubator onboard. If you need a stretcher or incubator onboard. Download the Medical Information Form.To ensure a seamless travel experience, please submit your medical form at least 14 days before your departure date. However, if your health condition is unstable and rapidly changing, please seek medical clearance within one week of your departure.