Stragglers beware: U.S. travelers flying with United Airlines will have to check in to domestic flights a little earlier starting next week. That is, if they're customers only taking carry-on bags.

Add Yahoo as a preferred source to see more of our stories on Google. Checking in early can secure a better seat, help avoid being bumped, and give first dibs on last-minute upgrade deals. Delaying ...

*Checking in early for a flight is one of the simplest ways to cut down on travel day headaches before you even leave the house. The majority of airlines open their online check-in process a full 24 ...

For some travelers, checking in for a flight is a simple pre-departure task—something to do routinely while making coffee, scrolling through emails, or packing. Others are more inclined to ignore that ...

Alaska Airlines resolved its flight check-in issues at Seattle-Tacoma International Airport on Thursday. The SeaTac-based airline’s representatives relayed an apology to inconvenienced customers after ...

Checking in early can secure a better seat, help avoid being bumped, and give first dibs on last-minute upgrade deals. Delaying check-in risks losing your seat on full flights and reduces your chances ...