Despite offering high-quality service, excellent catering, and an expansive route network, Turkish Airlines does have a few notable disadvantages. Its primary hub, Istanbul Airport, is massive, which can result in lengthy walking distances during tight flight connections or crowded conditions during peak bank hours. Furthermore, customer service queues during major weather disruptions or widespread schedule irregularities can occasionally become overwhelming, and navigating compensation claims or refund requests through corporate channels can sometimes require considerable patience from international passengers.