Delta Air Lines has begun limited flights after a power outage in Atlanta led to a global computer shutdown and cancellation of nearly 300 flights.
The company warned customers should expect delays and "large-scale cancellations."
How can I see if my flight is canceled?
Delta allows customers to check their flight status and more information online. You can also download the Fly Delta app to check your flight status and contact customer service.
Delta customers should check their flight status before heading to the airport.
If my flight is affected, can I get my money back?
Delta has issued a waiver for customers traveling Aug. 8-12. If your flight is canceled or significantly delayed, Delta says you are entitled to a refund or a one-time change to your ticket without a fee.
Can unaccompanied minors still fly today?
Delta says unaccompanied minors will not be accepted for their flights on Monday, but can rebook their flight without a change fee.
How long are the lines at the airport?
Early Monday mornings are a peak period for business travelers starting the work week, as well as for vacationers returning from weekend trips and others.
Customers at Hartsfield-Jackson International Airport reported winding lines at check-in desks.
The airport is reporting wait times of less than 15 minutes for security checkpoints.
Click here for a survival guide to avoiding the longest airport lines.
How is the computer outage affecting Delta Air Line stock prices?
Delta (DAL) shares were down 2 percent in premarket trading. Delta is the largest airline at Hartsfield-Jackson International Airport.
The Associated Press contributed to this story. This story has been updated.