This guide explains how to fly with a service dog on Delta Air Lines in 2026, including documentation, TSA screening, boarding process, and in-flight requirements. It also highlights how Modest Dog US provides professional training, public access preparation, and travel readiness programs across the United States for safe airline travel.

Modest Dog US provides service dog certification and ESA letters for travelers from Europe to the United States. This documentation supports international travel, housing, and accommodations, helping travelers enter the U.S. with clear and professionally prepared assistance animal documentation aligned with U.S. standards.