[UPDATE, May 25, 2016: Delta now is selling Comfort Plus as a distinct fare type to, from and between certain Asia/Pacific and Latin America markets. For itineraries including those markets, Comfort Plus fares also are available for any associated domestic segments. Exclusions include Argentina, Brazil, China, Hong Kong and Taiwan. In excluded markets, Comfort Plus remains a post-purchase add-on. The airline noted that Comfort Plus "is most easily purchased" when booking in a direct channel, though Delta "remains engaged with distribution partners" to enable such purchases through travel agencies. The airline indicated that these . . .

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