Fortunately, these days, most airlines allow you to check in online, starting at least 24 hours before your flight departs. In fact, they’ll even send you emails and texts reminding you to do so.

United Airlines is changing how early you need to check-in for flights. Here's the new deadline Previously, the check-in cutoff for United Airlines was 30 minutes for domestic flights.

For trips to or from locations outside the U.S., the cutoff to both check-in for your flight and check a bag is 60 minutes ahead of takeoff. But again, a handful of airports have earlier requirements.

United Airlines made a change to its policy, meaning passengers will need to check in earlier for both domestic and international flights. To stream KHOU 11 on your phone, you need the KHOU 11 app ...

United Airlines is changing how early you need to check-in for flights. Here's the new deadline Previously, the check-in cutoff for United Airlines was 30 minutes for domestic flights.