LOS ANGELES—Up to 2 million people are expected to pass through Los Angeles International Airport during the two-week Thanksgiving holiday period that begins today, potentially doubling the number from the same time last year. In a statement, airport officials said they expect the Thanksgiving holiday travel period, which begins Thursday and continues through Nov. 30, to be its busiest stretch of passenger traffic since early 2020. The busiest days are expected to be Friday, and the Sunday after Thanksgiving, Nov. 28. One of LAX’s new recommendations this year is for passengers to pre-book parking at parking.flylax.com. Passengers are also urged to use the new LAX Economy Parking facility with a dedicated shuttle to and from the CentralTerminal Area. Also, the FlyAway bus has added trips from Van Nuys and Union Station. Travelers should check ahead for parking availability and drive times by following @FlyLAXStats on Twitter. Other travel tips: —Arrive …