Traveler’s Notes . . .

Kamehameha Highway, a popular around-the-island drive on Hawaii’s Oahu, has reopened to all traffic, three months after a rockslide blocked it near Waimea on the north shore. Tour buses had been banned from a temporary bypass installed after the slide. . . . In the air: Delta Air Lines on Saturday will begin nonstop service between Los Angeles and Boston. Introductory round-trip fares, good through Sept. 9, begin at $358. United and American are among airlines that also fly the route. . . . Start-up JetBlue Airways plans to begin flying between New York’s John F. Kennedy International Airport and Ontario, Calif., on July 21 and between JFK and Oakland on Aug. 3. One-way fares start at $99. Tel. (800) 538-2583. . . . Panama’s Copa Airlines this month began the only nonstop daily service between Los Angeles and Panama City. Introductory round-trip fares, through July 15, start at $514. Tel. (800) FLY-COPA. . . . Virgin Atlantic Airways, Britain’s second largest, and Las Vegas-based National Airlines plan to link their frequent-flier programs starting in September. Virgin Atlantic this month began twice-weekly nonstop flights from London to Las Vegas.