In 2026, you generally cannot send a checked bag on a commercial passenger flight without being a passenger on that same aircraft. This is a fundamental security protocol established by the ICAO and enforced by the TSA to prevent "unaccompanied baggage" from posing a security threat. If a passenger checks a bag but fails to board the flight, the airline is legally required to remove that bag before the plane departs (positive passenger bag matching). However, for travelers who need to move luggage without flying, specialized luggage shipping services like Luggage Forward or Luggage Free have become highly popular in 2026. These services use integrated logistics networks (like FedEx or UPS) to transport your bags door-to-door. Additionally, under specific customs rules like India's Baggage Rules 2026, "unaccompanied baggage" can be sent separately within two months of your arrival, provided it is declared and duty is paid, making it a viable option for expats or long-term travelers.