Flying at the age of 88 is generally safe and very common in 2026, provided the individual does not have severe, unstable medical conditions. The primary concerns for elderly travelers are Deep Vein Thrombosis (DVT), dehydration, and the physical stress of navigating large, crowded airports. Most pediatricians and geriatricians recommend that elderly passengers wear compression stockings, stay well-hydrated, and move their legs frequently during the flight to maintain circulation. It is also highly recommended to book airport assistance (wheelchair service), which is free and ensures the passenger doesn't have to walk long distances or stand in exhausting security lines. If the passenger has a heart condition, respiratory issues, or recently underwent surgery, a pre-flight consultation with a doctor is essential to ensure their oxygen levels can handle the cabin's pressurized environment (equivalent to about 6,000–8,000 feet of altitude). With proper planning, such as direct flights and packing all medications in a carry-on, an 88-year-old can travel comfortably and safely across the globe.