It is generally recommended to arrive at the airport at least 2 hours before your domestic flight departure to allow sufficient time for check-in, security screening, and boarding.

For domestic flights within the United States, a valid government-issued photo ID, such as a driver's license, is typically sufficient for check-in.

The standard weight limit for a checked bag on most domestic flights is 50 pounds.

The maximum linear dimension (length + width + height) for a carry-on bag on most domestic flights is 22 inches.

All of the above items are prohibited in carry-on baggage on domestic flights.

Online check-in, web check-in, and e-check-in are all terms used to describe the process of checking in for a flight using the internet.

Online check-in is typically available 24 hours before departure for domestic flights and 48 hours before departure for international flights.

A boarding pass serves all of these purposes: granting access to the departure gate, identifying the passenger's seat assignment, and providing information about the flight.

Passengers can check in for a flight at the airport check-in counter, online, or through a mobile app.

A baggage claim tag serves all of these purposes: identifying the passenger's baggage, tracking the baggage's location, and ensuring that the baggage is loaded onto the correct flight.

The standard number of checked bags allowed per passenger on most domestic flights is 2.

The standard fee for checking a bag on a domestic flight is $35.

The standard number of carry-on bags allowed per passenger on most domestic flights is 2.

The standard size limit for a carry-on bag on most domestic flights is 22 x 14 x 9 inches.

The standard weight limit for a carry-on bag on most domestic flights is 20 pounds.