At Terminal D of George Bush Intercontinental Airport, travelers should be prepared for a check-in process that currently rates 5/10. This terminal typically services international flights, so it's important to arrive early to navigate check-in and security, especially during peak travel times. Familiarize yourself with the layout to find your airline's check-in counters, as signage can sometimes be unclear. If you're flying internationally, ensure you have all necessary documents ready for a smooth experience.
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