Yes, you can leave the airport during domestic layovers. For instance, if you're a US citizen and have a layover within the country, it is legal and safe to leave the airport. Be aware that you'll probably be getting two boarding passes if the domestic layover is more than an hour.
During domestic layovers, you are free to leave the airport. If your domestic layover is longer than one hour, you should expect to receive two boarding permits. If you want to check out local points of interest, make sure you get your second boarding pass and print it out before you leave.
You can get your luggage during a layover under 2 circumstances: If you booked flights under separate tickets since you will need to gather and recheck your luggage before boarding the next flight. If your flights are booked under a single ticket, usually luggage will automatically be checked to the final destination.
Can I visit my friend at the airport when she has a 1-hour layover? Yes, but not if she has to come outside security and then re-enter. Ask the airline for a gate pass so you can go inside security to visit with her at her gate.
Usually, travellers on layover flights are required to go through customs and immigration upon their initial entry point. To streamline this procedure, you may want to contemplate applying for the Global Entry program.
When layover flights are booked with the same airline, your baggage will be automatically transferred through to your final destination. However, if the two flights are with different airlines, you may have to claim and re-check your baggage during your layover.
You can get your luggage during a layover under 2 circumstances: If you booked flights under separate tickets since you will need to gather and recheck your luggage before boarding the next flight. If your flights are booked under a single ticket, usually luggage will automatically be checked to the final destination.
Yes, I've done it before, usually in Amsterdam. I've intentionally taken flights with 6–8 hour layovers so I can pop into the city, take a stroll about and sightsee, and then head back to the airport. Even better are the flights that get arrive in the late afternoon and then depart early the next morning.
Mayers recommends two hours as a standard buffer between flights to be safe. This gives you a cushion in case things go wrong during your journey. You'll definitely want at least a two-hour window if you've booked a “hacker fare,” as opposed to flying with the same airline your entire trip.
Some airlines provide hotels for layovers longer than 8 hours, while others only provide accommodation for layovers longer than 12 hours. Some airlines only provide accommodation for layovers caused by airline delay or mechanical issues, while others provide accommodation for any layover longer than a certain duration.