Kristi Noem told a congressional panel that 81% of travelers already have IDs that comply with the REAL ID requirements.

U.S. Homeland Security Secretary Kristi Noem said air travelers starting Wednesday who do not have enhanced ID cards may face enhanced security procedures but will not be denied access to flights.

Kristi Noem, the secretary of homeland security, said that travelers without a federally recognized document would face additional screening on Wednesday but would not be barred from flights.