Yes, you can show your boarding pass on your phone at virtually every major airport worldwide in 2026. This is the standard method for most travelers, as airlines encourage using the mobile app or a digital wallet like Apple Wallet or Google Pay. A digital boarding pass contains a 2D barcode (usually a QR or Aztec code) that can be scanned at the security checkpoint, at duty-free shops, and at the boarding gate. It is highly recommended to take a screenshot of your boarding pass or save it to your offline wallet to ensure you can access it even if the airport Wi-Fi is spotty or the airline's app crashes. However, there are a few rare exceptions: some international airports in certain countries (particularly in parts of Africa, Asia, or South America) may still require a physical paper copy for local security stamping or documentation. Additionally, if your phone screen is severely cracked, the scanners may have difficulty reading the code, so having a paper backup is a wise "plan B." For 2026 travel, the industry is even moving toward "boarding without a pass" using biometric facial recognition, but your phone remains the primary tool for identity verification.