Fingerprints, facial scans becoming more commonplace at airports

Delta fingerprint scanner. (Delta Air Lines)

Travellers navigating through a busy airport have become accustomed to a hectic juggle of IDs and boarding passes while lugging bags through security checkpoints and boarding. 

Recently, companies including Atlanta-based Delta Air lines have been gradually adding technology to streamline the process and replace IDs and boarding passes with fingerprints and facial scans.