
Southwest Airways will launch its first worldwide airline partnership subsequent month, and develop its quick listing of worldwide “gateways” to Denver and Nashville, the airline introduced.
Baltimore had already been introduced as its first such gateway, which set the stage for Southwest to formally ink an interline settlement with Icelandair at a ceremony in close by Washington on Wednesday.
TPG was available as executives signed a pact cementing the tie-up between the 2 carriers, one that can finally permit Southwest loyalists to redeem Rapid Rewards factors on flights to Iceland, Europe and past.

The ceremony, held contained in the residence of Iceland’s ambassador to the U.S., marked what Southwest is framing as the primary tangible step in a series of massive changes the Dallas-based provider outlined final yr. That transformation will finally carry the primary assigned and extra legroom seats to Southwest’s Boeing 737s.
Up first, although, is that this joining-of-forces with Icelandair.

“Interline partnerships are quite common within the airline business. But it surely’s our first one, so it’s very thrilling for us,” Southwest chief working officer Andrew Watterson mentioned moments earlier than the 2 carriers made their partnership official.
A softer launch to the partnership
As TPG reported in September, the Southwest-Icelandair tie-up shall be extra restricted at first.
Beginning in February, vacationers will have the ability to guide itineraries that includes seamless connections between the 2 carriers through Icelandair’s web site.

From the outset, the partnership will focus on only one gateway on the U.S. aspect: Southwest’s Baltimore/Washington Worldwide Thurgood Marshall Airport (BWI) base.

Nevertheless, the carriers plan to quickly develop the setup to Denver Worldwide Airport (DEN) and Nashville Worldwide Airport (BNA), Southwest executives revealed Wednesday.
“We’ll proceed to do that in phases,” Ryan Inexperienced, Southwest’s government charged with overseeing the airline’s wholesale adjustments introduced final yr, advised TPG Wednesday.
Deeper ties start subsequent yr
Anticipate the 2 airways’ ties to develop in 2026, after Southwest launches assigned seats; the logistics of evolving its tech methods to facilitate a partnership in its open seating period — and once more after shifting to assigned seats — didn’t make sense, Inexperienced mentioned.

As soon as assigned seating is reside, although, Southwest plans to start promoting Icelandair seats by its reserving channels. At that time, clients would have the ability to guide flights to Keflavik Airport (KEF) and prime European locations by Southwest’s web site.
“We’ll add parts … like earn and [redeem] with Fast Rewards, and loyalty,” Inexperienced added. “And we’ll simply sort of proceed to layer on.”
Pomp and circumstance
The ceremonial launch of this partnership in D.C. was stuffed with pomp and circumstance.
Southwest and Icelandair leaders exchanged presents. The Reykjavik-based provider provided up a bit of molten rock from a freshly-formed lava discipline in Iceland. Southwest got here with an ornamental model of its signature emblem.


Then, leaders from each carriers raised glasses for a toast (“Skál!”) of Brennivin, Iceland’s nationwide drink.

“This shall be a beautiful partnership,” Svanhildur Hólm Valsdóttir, Iceland’s ambassador to the U.S., mentioned through the festivities.

Southwest vies for world attain
Southwest plans to announce no less than one extra worldwide airline associate in 2025, executives reiterated Wednesday. Past that, the provider hopes a rising listing of companions will give Fast Rewards members extra locations to choose from.
“We’re having conversations with each extra transatlantic carriers in addition to transpacific carriers,” Inexperienced acknowledged. “In the end, that is about giving clients decisions, to develop the attain and breadth of the Southwest Airways model past the attain of the 737.”

After all, not too way back, none of this may have been doable.
Lately, the airline has poured money into modernizing its notoriously outdated technical infrastructure — investments meant to do all the things from stopping one other vacation 2022-esque meltdown to paving the best way for adjustments like Southwest’s first redeye flights next month. To not point out, in fact, permitting for Southwest to kick off its most world foray but — a as soon as hard-to-imagine tie-up with a global associate.
“This can be a new functionality now we have. And that’s what transformation is all about,” Watterson mentioned. “After which we are going to make use of this as a standard course of enterprise, we’ll add extra gateways. A second associate. Third associate.”
Keep tuned …
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