Many travelers assume it’s fine to check in a few hours before a flight, maybe even while en route to the airport. But that assumption can be costly.

Airlines often blame weather for delays. Here’s how to use ExpertFlyer to see the real reason your flight was delayed or ...

United Airlines passengers are facing a big change beginning Tuesday as the airline shifts how early fliers must check-in for trips. If passengers don't abide by the new rules, United says, their ...

"Check-in chicken" is a strategy where travelers wait until the last minute to check in, hoping for a better seat assignment. The only guaranteed way to get a preferred seat is to pay for a seat ...

As the federal government shutdown continues, the FAA and the nation's air traffic control system are being increasingly affected, leading to delays at major airports across the U.S. that could impact ...