In case you haven't heard, the power was out at Hartsfield-Jackson Airport.

Hartsfield is the busiest airport in the whole world. So what on earth do you do when the power goes out for the entire airport during the busiest travel time of the year?

Panic!

No, I'm joking, but seriously. Here's what you need to do if you are either stranded at the airport or trying to get into Atlanta.

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Hartsfield-Jackson is providing up-to-date information on airport operations on their social media and encourage all patrons to keep in contact with the airline they are traveling with.

The airport is requiring travelers to reprint their tickets before going through security checkpoints if they were dated for Sunday, December 17.

Flights expected to resume at 6 a.m. Monday | Atlanta airport continues to recover from blackout

POWER DOWN | Timeline of the Atlanta airport blackout

DELTA

According to their website, Delta has canceled 300 flights for Monday, December 18. These cancellations will impact early morning and inbound flights in order to give more time for operations to return to normal.

As far as rescheduling or canceling your flight, Delta is offering full refunds. Even if your flight has not been canceled but is significantly delayed, you are entitled to a one-time change to your ticket without a fee for December 17-19, 2017.

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SOUTHWEST

Southwest Airlines expects to resume regular travel on Monday, according to their website.

Southwest will also be providing customers who were scheduled to fly during the power outage the ability to change their flight for no additional fee.

UNITED

United will also be providing changes to your flights for free for December 17, 2017 through December 19, 2017.

SPIRIT

Spirit Airlines will be waiving their change fees for flights that were impacted by the power outage through December 21, 2017.

JETBLUE

JetBlue will be providing flights changes or cancellations for free for people traveling between December 17- December 19.

FRONTIER

Frontier has canceled several of their flights either traveling to or from Hartsfield-Jackson for Monday, December 18. Customers are eligible for a refund through their website.

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