The Atlanta Journal Constitution: Delta Air Lines is testing a plan to allow passengers to eliminate one more carry-on item: a paper boarding pass. Starting Tuesday, the Atlanta-based carrier is launching an electronic boarding pass option for passengers on domestic flights out of New York's LaGuardia Airport. Delta plans to launch the electronic boarding pass in Atlanta by the end of the year. It will allow passengers to use Web-enabled mobile phones and devices to check in online. Passengers will download an electronic boarding pass with a bar code that can be scanned at the security checkpoint and boarding gate.

Read more