Traveling has always come with complications. Our By The Way Concierge column will take your travel dilemmas to the experts ...

If you’ve received your boarding pass or e-ticket barcode in an email ... If you don't see it, check the Known Traveler Number (KTN) you provided when booking your flight.

Other reasons an SSSS could show up on your boarding pass include activities like buying a last-minute ticket or paying cash, or if you recently visited countries that the State Department deems ...

After submitting the application, paying the fee, and getting approved, you're given a Known Traveler Number (KTN ... will appear on your boarding pass. Of course, things happen, and if you ...

At Switzerland's Zurich Airport, more and more passengers are trying to get on airplanes without boarding passes. But how is ...