Manila Slot War Ignites as Delta Reveals Surprise Transpacific Expansion

High-stakes transpacific chess is currently underway at the U.S. Department of Transportation (DOT) as Delta Air Lines leverages its own newly disclosed Manila flight plans to delay Philippine Airlines' (PAL) historic foray into the U.S. Midwest. In a strategic maneuver that caught the industry by surprise, Delta's latest regulatory filing has effectively pitted its future Los Angeles-to-Manila service against PAL’s highly anticipated Chicago route.

The revelation surfaced on March 11, 2026, within a comment filed by Delta regarding PAL’s application for daily nonstop service between Manila (MNL) and Chicago O’Hare (ORD). While Delta stated it “does not oppose” PAL's request to introduce the new gateway, the Atlanta-based carrier has urged the DOT to defer any final approval.

Leveraging the Long Game

Delta’s primary grievance centers on reciprocal access to Manila’s Ninoy Aquino International Airport (NAIA). The carrier announced plans to launch a daily service from Los Angeles (LAX) to Manila, starting in Summer 2027, using its flagship Airbus A350-900. However, Delta claims that “no equal opportunity” currently exists for U.S. carriers at NAIA, citing “significant barriers” in obtaining the commercially viable slots and infrastructure necessary for a competitive operation.

Delta has requested that the DOT withhold the green light for PAL's Chicago expansion until the U.S. government receives “written assurances” from the Philippine government that Delta will be granted the specific, viable slots it needs to implement its planned service.

A Growing Competitive Battlefield

This regulatory friction underscores the increasing value of the Philippine market. Currently, United Airlines is the only U.S. carrier offering direct flights to Manila from the mainland. Delta’s entry would mark a significant shift, transitioning from its current reliance on its Seoul-Incheon hub to direct, "Delta metal" service to the Philippines.

For Philippine Airlines, the Chicago route is the crown jewel of its 2026 expansion. Utilizing the ultra-long-range Airbus A350-1000, the flight would connect the massive Filipino diaspora in the Midwest to Manila nonstop for the first time.

New and Proposed Air Operations

*Flight numbers and exact times are based on latest DOT filings and proposed schedules for the Summer 2026 and Summer 2027 seasons.

As the DOT weighs Delta's objections, the aviation world is watching to see if the Philippines will yield on slot access to ensure its national carrier can touch down in the Windy City this summer.