Delta Adds Seattle-Philadelphia Nonstop Service, Strengthening Pacific Northwest Network

Delta Air Lines is expanding its Seattle hub with the launch of daily nonstop service to Philadelphia, responding to strong ...

Delta adds more services to Seattle. Here’s what’s coming.

Delta is adding more service to Seattle. The airline says it’s launching a daily nonstop service between Seattle and ...
Travel Weekly

Delta will launch Philly-Seattle service

It's the latest competitive flashpoint for Seattle hub carriers Delta and Alaska Airlines. American also flies the route.
Business Travel News

Delta to Add Seattle-Philadelphia Service

Delta Air Lines on May 7, 2026, will add daily nonstop service between Seattle and Philadelphia, the carrier announced.

Delta Air Lines adds nonstop route between Seattle and major East Coast city

The daily nonstop flights will further link Seattle's active tech and life sciences scenes with a major East Coast hub.

Seattle-Tacoma International Airport's 10 Longest Nonstop Routes In 2025

Seattle-Tacoma International Airport (SEA), otherwise known as SeaTac, is one of the world’s most important hubs today. It is also one of the busiest and most popular airfields on the West Coast of ...