A man exits the Terminal 1 arrivals hall at San Francisco International Airport on Friday, December 18, 2020. For more stories like this, check out The Chronicle’s weekly Travel newsletter! Sign up here . After a brutal year in which California’s tourism industry was cut in half , travel and hospitality experts are seeing signs of a rebound in 2021. A variety of elements may help spur pandemic-fatigued people to take long-delayed vacations, like the vaccine rollout, a proposed federal stimulus plan and widespread adoption of new health protocols. Recent consumer surveys and market research indicate that Americans are sitting on caches of unused vacation days and anticipate planning bucket-list trips later this year, while also buying motorhomes and visiting parks in record numbers. According to a recent report from the U.S. Travel Association , about half of Americans are feeling optimistic about planning a trip in the next 12 months. But after nearly a year of shutdown orders and travel restrictions, and with vaccination programs faltering around the country, a return to vacationing normally is not guaranteed. Here are six predictions from industry insiders and travel experts on how leisure travel will develop this year, from flights and hotels to road trips and vacation rentals. Owner Dave Sahagun at the Pacific Heights Chevron seen on Tuesday, Aug. 11, 2020, in San Francisco, Calif.. is participating in a pilot program with the Good2Go app to insure keyless and touchless restrooms. People can queue in line through the app and […]