They will collectively serve 18 US airports from Schiphol this winter.

Summary

  • KLM will replace Delta on the Amsterdam-Portland route.
  • Winter flights will fall from daily to three weekly, cutting capacity by 58%.
  • The two carriers will collectively serve 18 US airports non-stop from Schiphol in the winter.

KLM and Delta are SkyTeam members and part of a transatlantic joint venture agreement. They have an extremely close relationship. As part of it, the Dutch carrier will replace Delta between Amsterdam and Portland, Oregon, this winter. In a similar setup, Air France (also part of the JV) replaced Delta between Paris CDG and Raleigh Durham in 2023.

KLM and Delta: Amsterdam-US routes

Northern airlines, including KLM and Delta, will switch to winter schedules on October 27 based on IATA slot seasons. Examining the preliminary November 2024-February 2025 schedule shows that they will collectively serve 18 US airports non-stop from Schiphol.

KLM-Boeing-787-9-Dreamliner-PH-BHG-2048x1365

Photo: Vincenzo Pace | Simple Flying

Beginning on October 27, KLM will replace Delta to Portland. In the winter, it will run three times weekly, which is down from Delta’s planned daily schedule. KLM will use 275-seat 787-9s against Delta’s 282-seat A330-300s. Weekly seats will be 58% lower, which, when combined with fewer economy seats and other changes, should boost yields and loads meaningfully during the off-season.

The table summarizes the situation as of June 27 and is always subject to change. Aircraft are stated in the order of the number of flights. KLM’s Salt Lake City route is not included as it is summer only; it will return in late March 2025. Delta has annual January flights to Las Vegas for the Consumer Electronics Show.

Amsterdam to…

KLM flights (November-February)

Delta flights (November-February)

Atlanta

Twice daily (777-200ER, 787-10)

Twice daily (A330-300)

Austin

Three weekly (787-9)

Boston

Three weekly (777-200ER, 787-9)

Daily (A330-300)

Chicago O’Hare

Five weekly (787-10, 777-200ER)

Detroit

Three daily (A330-300)

Houston Intercontinental

Daily (A330-300)

Las Vegas

Three weekly (787-9)

Los Angeles

Daily (787-10)

Miami

Three weekly (A330-300)

Minneapolis

Three weekly (777-200ER)

Twice daily (A330-300)

New York JFK

Twice daily (787-10, 777-300ER)

Twice daily (A330neo)

Orlando

Daily (A330-300)

Portland

Three weekly (787-9)**

Salt Lake City

Daily (A330-300)

San Francisco

Daily (787-10, 777-200ER)

Seattle

Daily (A330neo)

Tampa

Daily (A330-300)***

Washington Dulles

Daily (A330-200)

** Versus Delta’s planned daily operation

*** Last served in October 2019; returns from Amsterdam on October 27

Related

19 Routes: Delta Air Lines & Virgin Atlantic’s London To US Network Explored

The pair have about one in four non-stop London-US services.

Where has been dropped?

It is worth examining KLM and Delta’s Amsterdam-US network over the past twenty years. Memphis was inherited from Northwest, while Cincinnati was once a Delta hub. Delta had four Amsterdam-Austin flights in 2018 for the South by Southwest event. They don’t count here.

  • Delta: Cincinnati (served until 2009), Los Angeles (served until 2019), Memphis (served until 2012), Newark (served until 2018), Portland (served until 2024)
  • KLM: Dallas/Fort Worth (served until 2015), Newark (served until 2008)

What other US destinations would you like the pair to add from Schiphol? Let us know in the comments section.

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