When Are You Not Fit to Fly in 2025? 10 Medical or Legal Conditions That May Ground You

When are you not fit to fly in 2025 — and which medical conditions may ground you?Certain medical or legal conditions can make air travel unsafe or restricted under airline and EU safety guidance. In this episode, we explain common reasons passengers may be declared not fit to fly and how assessments are made.In this episode, we cover:• Recent major surgery or untreated pneumothorax• Unstable heart disease or recent heart attack• Severe respiratory disease with low oxygen levels• Contagious infections requiring isolation• Advanced pregnancy beyond airline limits• Uncontrolled seizures• Severe anaemia or active bleeding• Acute psychiatric crisis or high suicide risk• Recent stroke or neurological instability• Legal travel restrictions or documentation issuesDoctors assess medical stability, oxygen requirements, cardiovascular risk, infection status, gestational age (if pregnant), and recent hospitalisation before issuing fit-to-fly documentation. Airlines may require medical clearance forms. Not all conditions can be safely managed during flight due to cabin pressure and limited onboard medical resources.This episode reflects how travel fitness and risk assessment are reviewed within structured medical evaluation in European telemedicine at Mobi Doctor.Read the full medical guide here:https://www.mobidoctor.eu/blog/when-are-you-not-fit-to-fly-in-2025-10-medical-or-legal-conditions-that-may-ground-you