{"success":true,"merchant":{"name":"Southwest Airlines","slug":"southwest-airlines","category":"Southwest","standardCategory":"Southwest","confidence":"HIGH","source":"cache","lookupMessage":null},"summary":{"merchantName":"Southwest Airlines","merchantSlug":"southwest-airlines","category":"Southwest","updatedAt":"2026-08-06T13:58:46.970Z","generatedAt":"2026-08-06T13:58:46.970Z","lastVerifiedAt":null,"entityType":"merchant_best_card","entityName":"Southwest Airlines","pageUrl":"https://cardcurator.ai/merchant/southwest-airlines","canonicalUrl":"https://cardcurator.ai/merchant/southwest-airlines","jsonUrl":"https://cardcurator.ai/api/public/merchant/southwest-airlines/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","sourceUrls":["https://cardcurator.ai/merchant/southwest-airlines","https://cardcurator.ai/api/public/merchant/southwest-airlines/summary","https://cardcurator.ai/how-we-rank-cards","https://cardcurator.ai/data-sources"],"dataVersion":"public-citation-v1","shareTitle":"Best credit card for Southwest Airlines","shareText":"At Southwest Airlines, United Club℠ Infinite Card is currently our top overall pick at 5x, which works out to about 6.5% back based on CardCurator's current point valuations. 5x on United Purchases. On $500/month of spend, the top card is worth about $390/year before signup bonuses or statement credits. Summary generated August 6, 2026. Source: https://cardcurator.ai/merchant/southwest-airlines","evidenceBullets":["United Club℠ Infinite Card: 5x and 6.5% effective return.","At $500/month, that's about $390/year in rewards value before bonuses.","No separate no-annual-fee fallback currently ranks near the top.","Methodology uses live earn rates, annual fees, and current point valuations."],"bestCard":{"name":"United Club℠ Infinite Card","slug":"united-club","programName":"United MileagePlus","annualFee":695,"earnRate":5,"effectiveReturnRate":6.5,"explanation":"5x on United Purchases"},"noFeeCard":null,"alternatives":[{"name":"Citi / AAdvantage Executive World Legend Mastercard","slug":"aadvantage-executive-world-elite-mastercard","earnRate":4,"effectiveReturnRate":6,"annualFee":695},{"name":"Southwest Priority","slug":"southwest-priority","earnRate":4,"effectiveReturnRate":5.6,"annualFee":229},{"name":"Credit One Bank Wander American Express Card","slug":"credit-one-bank-wander-american-express","earnRate":5,"effectiveReturnRate":5,"annualFee":95}]}}