"He's preying on innocent people ... our victims were asleep and he went up and did it," Los Angeles police Capt. William Hayes said.
Delta later tweeted that its teams "restored all IT systems after a technology issue" and the ground stop was lifted.
Inmate advocates said the proposed policy would have violated the privacy rights of female visitors.
Prosecutors say that Ji Chaoqun was in the U.S. conducting background checks on people who could be recruited by China's spy agency.
Rivers swollen from the hurricane are about to spill over — and residents are scrambling to do all they can to prepare.