There are a few bits of information to pay close attention to on an airline ticket: the flight number, gate number and boarding time. Fare basis code? Not a common concern. But the single-letter code ...

There are a few bits of information to pay close attention to on an airline ticket: the flight number, gate number and boarding time. Fare basis code? Not a common concern. But the single-letter code ...

There are a few bits of information to pay close attention to on an airline ticket: the flight number, gate number and boarding time. Fare basis code? Not a common concern. But the single-letter code ...