As the first flights from San Diego International Airport prepared for departure Sunday morning, travelers in Terminal 1 were trying to figure out which TSA security lines were closed. The U.S. Transportation Security Administration said Sunday that its PreCheck program would remain operational d espite an earlier announcement, Saturday evening, that it was being suspended during the partial government shutdown. It was not immediately clear whether Global Entry, another airport service, would be affected. “I read this morning (online) that at 6 o’clock or 8 o’clock Eastern time, they were shutting down TSA,” said Beth Shannon. She and her husband were leaving San Diego after a two week vacation trying to get home to Waukesha, Wisconsin. They were surprised to find the PreCheck line open. “We’re just going to get in line and see what happens,” she said. A TSA officer helps a traveler maneuver security lines, Sunday, in Terminal 1, at San Diego International Airport, February 22, 2026. Homeland Security previously said it was taking “emergency measures to preserve limited funds.” Among the steps listed were “ending Transportation Security Administration (TSA) PreCheck lanes and Customs and Border Protection (CBP) Global Entry service, to refocus Department personnel on the majority of travelers.” Secretary Kristi Noem said in a statement on Saturday night that “shutdowns have serious real world consequences.” As of Sunday afternoon, the travel tracking website FlightAware was showing routine arrivals and departures at both SAN terminals. This story uses functionality that may not work in our app. Click here to open the story in your web browser. ...read more read less