Even new conveniences like pre-scheduled TSA check-in or self-tagging baggage kiosks can't make up for the biggest problem plaguing airports: overcrowding.
Why it matters: It's 2019 all over again. After a brief, blissful period during the pandemic when passengers could breeze through security checkpoints, baggage claims and restaurants, airports are again a source of frustration, according to J.D. Power's latest annual Airport Satisfaction Study.