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The article provides a guide on when to apply for the three Atmos Rewards co-branded cards (Ascent, Summit, and Business) based on historical welcome offer data. It highlights that the Ascent and Business cards are best applied for when the offer exceeds 60,000 points and includes a companion fare, while the Summit card is best when the offer exceeds 80,000 points with a 25,000-point Global Companion Award. Current offers as of July 2026 for the Ascent include 70,000 points and a $99 Companion Fare after $2,500 spend. The article serves as a reference for maximizing sign-up bonuses for these specific airline-linked cards