The family of a 30-year-old Hawaii resident is searching for her in Los Angeles after she missed a connecting flight, sent unusual text messages and then went silent, the relatives said.

Hannah Kobayashi arrived in Los Angeles on Nov. 8 en route to New York City but missed a connecting flight because a 30- to 45-minute window to get to its departure terminal may not have been enough, aunt Larie Pidgeon said in an interview.

Kobayashi, of Maui, stayed in Los Angeles as she awaited an opening…