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Big Arch Burger at McDonald's — launch date and LTO window

A burger with two quarter-pound beef patties, three slices of white cheddar, crispy and slivered onions, special Big Arch Sauce, and poppy seeds mingled with sesame seeds on a toasted bun.

McDonald's Big Arch Burger
Image from foodrepublic.com. Shown for identification; rights remain with the publisher.

Key data

McDonald's launched the Big Arch Burger, announced October 10, 2026, available from March 1, 2026. It is a limited-time offer in the burgers category. This record is backed by 1 source and 1 independent outlet.

The facts

FieldValue
ChainMcDonald's
Launch typeLimited-time offer
AnnouncedOctober 10, 2026
Available fromMarch 1, 2026
Available untilWhile supplies last
PriceNot stated
MarketsUS
ChannelsNot stated
CategoryBurgers

Sources

Every published launch carries at least one source with a quote from the original announcement.

  • Consumer mediaOctober 10, 2026
    “In March 2026, McDonald's introduced the Big Arch Burger in the U.S. market for a limited time”
    foodrepublic.com ↗

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