Do I need to provide identification for domestic flights with Horizon Air?

Yes, passengers are required to provide identification for domestic flights with Horizon Air. It is necessary to present a valid government-issued photo identification document prior to boarding any flight. Acceptable forms of identification include a driver's license, passport, or military ID. Minors under the age of 18 are exempt from this requirement if they are traveling within the United States. However, it is always recommended to carry a valid form of identification to ensure a smooth travel experience and compliance with TSA regulations. Passengers failing to provide the required identification may be denied boarding.