What does the term "check-in flight" refer to and how does it impact the overall travel experience?

A "check-in flight" refers to the process of confirming your presence on a flight before boarding. It involves providing your identification, receiving your boarding pass, and checking in any luggage. This process is essential for ensuring a smooth travel experience as it helps airlines manage passenger numbers, allocate seats, and maintain security protocols. Failing to check in on time can result in missing your flight or facing additional fees.