Delta Platinum vs United Explorer

Delta Platinum currently has the stronger offer: 100,000 Delta SkyMiles (~$1,200 value) after $3,000 spend in 3 months, vs 50,000 United MileagePlus (~$675) after $3,000 in 3 months for United Explorer. Welcome offers change frequently — verify the current offer on the issuer's application page before applying.

For first-year cardholders the answer is usually yes — the welcome bonus (~$1,200) and statement credits alone typically cover the $350 fee several times over. After year one, the math depends on your spending patterns. Use our Annual Fee Calculator with your actual numbers to verify before renewing.

For first-year cardholders the answer is usually yes — the welcome bonus (~$675) and statement credits alone typically cover the $150 fee several times over. After year one, the math depends on your spending patterns. Use our Annual Fee Calculator with your actual numbers to verify before renewing.

Yes — these cards are from different issuers (Amex and Chase), so holding both is fine. Each card has its own welcome bonus and benefits with no overlap rules between the two issuers. One sequencing tip: United Explorer is subject to Chase 5/24, so if you're close to the limit, apply for it first. Also note Delta Platinum's welcome bonus is once per lifetime under Amex's rules — time that application for when the offer is elevated.

Neither card transfers points to World of Hyatt. Only Chase Ultimate Rewards, Bilt Rewards and the co-branded World of Hyatt card transfer to Hyatt at 1:1. To stack Hyatt points without leaving these two ecosystems you'd need to add a Chase Sapphire or Bilt card alongside.

Delta Platinum unlocks Delta Sky Club (paid passes); United Explorer unlocks United Club (day passes). Both give you a real lounge experience, but the networks don't overlap — pick the card whose lounge footprint fits the airports you actually fly through.

Based on first-year math (welcome bonus + tracked statement credits − annual fee), Delta Platinum comes out ahead at ~$1,085 of net value vs ~$644 for the other card. After year one, the better card for YOU depends on how naturally you'll use the credits and category bonuses.

Yes — United Explorer is issued by Chase, so the 5/24 rule applies. If you've opened 5 or more cards in the last 24 months, Chase will likely deny your application. Delta Platinum is issued by Amex and isn't subject to 5/24.

Every comparison uses the same fixed methodology: welcome offer value (bonus × current points valuation minus AF), category earning rates, annual fee vs benefit math, transfer-partner depth + redemption value, lounge tier, travel protections, and foreign transaction handling. Card facts come from issuer pages (verified via Playwright on the "Last reviewed" date), card-program award charts, and TPG monthly valuations. Nothing on this page is paid-placement — the Quick Winners, Real-World Scenarios, and Comparison Table are deterministic outputs from the data, not editorial opinion.

The comparison data regenerates on every site build (typically multiple times per week as offers change). Welcome offer terms, annual fees, and category multipliers are verified against issuer pages and refreshed as part of the catalog. Welcome bonuses, annual fees, and benefits can change at any time at the issuer's discretion — always confirm current terms on the issuer's application page before applying. The "Last reviewed" date in the trust strip below shows the most recent manual methodology + data-source audit.