Under the "technology-enabled" program, a traveler would be required to pay a non-refundable fee of $18 to request an alternative identity verification. Once approved, the identity verification would be valid for 10 days.

Travelers who show up to an airport without a Real ID or a passport may have to pay an additional $18 to fly.

According to CBS News, 586 flights were canceled at O’Hare International Airport on Saturday morning, stranding thousands of travelers. Additionally, 76 flights were canceled at nearby Midway International Airport in Chicago.

Airplane passengers without a REAL ID or passport could face an $18 fee under a new rule proposed by the Transportation Security Administration.

The new system will be a biometric kiosk that TSA describes as a” modernized alternative identity verification program,” allowing passengers to access TSA checkpoints for up to 10 days after

As the federal shutdown stretches into its third week, the president of AFGE Local 777 discusses how unpaid TSA agents at Chicago’s airports are coping, what travelers can expect, and how long workers can hold on.

If you don’t have a form of ID that complies with the federal standard, like your driver’s license or passport, the TSA says you can still fly. You will be notified of your non-compliance, the agency warns, and may have to undergo additional security screening.

Travelers can use the new Digital ID and Google Wallet ID Pass as Real IDs to get through TSA checkpoints at more than 250 airports in the U.S.