Article - Guest Satisfaction in the Lodging Industry Bounces Back for a Second Straight Year, ACSI Data Shows - Satisfaction across airlines, lodging, car rentals, and online travel agencies climbs again, returning to prepandemic levels, according to the American Customer Satisfaction Index (ACSI) Travel Study 2023-2024. The airline industry stands out, hitting an all-time customer satisfaction high of 77 after a second straight 1% year-over year improvement.