On a standard connection in 2026, the physical transfer of luggage between planes typically takes 30 to 60 minutes, but the "safe" window for a layover is much longer. For domestic-to-domestic transfers on a single ticket, most airlines require a minimum of 45–60 minutes to ensure bags make the flight. However, for international connections or transfers at massive hubs like London Heathrow or Atlanta Hartsfield-Jackson, a layover of at least 2.5 hours is recommended. If you are entering the U.S. or India, you must physically collect your bags at the first port of entry to clear customs before re-checking them, a process that can take 1.5 to 3 hours depending on queue lengths. If you booked separate tickets (self-transfer), you are responsible for the entire process, requiring a minimum of 4 hours to account for potential flight delays and baggage reclaim.