Delta's new program will let you use your fingerprint to board your plane. But there's a catch.

You might soon be able to use merely your finger to board your next plane.

Delta announced a new biometrics boarding pass experience on Thursday that'll allow passengers to use of fingerprints, instead of traditional boarding passes, to board planes at Reagan Washington National Airport.

According to Delta's announcement, customers who decide to participate in the program (which is currently in the test phase) can "forego paper or mobile boarding passes in favor of using fingerprints as proof of identity to board their plane ... The final phase of Delta’s DCA biometric boarding pass test, coming this summer, will allow Members to also use their fingerprints to check a bag." Read more...