Card comparison
Which card is better between Delta SkyMiles Platinum American Express and Blue Business Cash™?
Delta SkyMiles Platinum American Express is the better overall pick over Blue Business Cash™ because it leads on Madeen's weighted scorecard (64 vs 36) across categories, bonus, benefits, and fee.
Effective rate Delta SkyMiles Platinum American Express
Annual fee Blue Business Cash™
Welcome bonus Delta SkyMiles Platinum American Express
Benefits value Delta SkyMiles Platinum American Express
Delta SkyMiles Platinum American Express is the stronger overall pick between Delta SkyMiles Platinum American Express and Blue Business Cash™ because it leads on Madeen's weighted scorecard (64 vs 36) across categories, bonus, benefits, and fee. Delta SkyMiles Platinum American Express (3.6% top effective rate) vs Blue Business Cash™ (1%): Madeen's catalog compares fees vs fees across dining, grocery, gas, and travel — not just headline categories.
Choose A if
Choose Delta SkyMiles Platinum American Express when its strongest categories, bonus, or perks match how you actually spend.
Choose B if
Choose Blue Business Cash™ when the fee, welcome bonus, or issuer ecosystem fits better than the headline winner.
Full comparison
How do Delta SkyMiles Platinum American Express and Blue Business Cash™ compare across all spend categories?
Across all five spend categories, Delta SkyMiles Platinum American Express and Blue Business Cash™ trade wins row by row. Delta SkyMiles Platinum American Express peaks at 3.6% effective; Blue Business Cash™ peaks at 1%. Delta SkyMiles Platinum American Express wins the headline effective-rate view in this pair.
| Category / metric | Delta SkyMiles Platinum American Express | Blue Business Cash™ | Winner |
|---|---|---|---|
| Dining | 2x miles (2.4%) | 1% back (1%) | Delta SkyMiles Platinum American Express · 1.4 pts |
| Grocery | 2x miles (2.4%) | 1% back (1%) | Delta SkyMiles Platinum American Express · 1.4 pts |
| Gas | 1x miles (1.2%) | 1% back (1%) | Delta SkyMiles Platinum American Express · 0.2 pts |
| Travel | 3x miles (3.6%) | 1% back (1%) | Delta SkyMiles Platinum American Express · 2.6 pts |
| Other | 1x miles (1.2%) | 1% back (1%) | Delta SkyMiles Platinum American Express · 0.2 pts |
| Welcome bonus | ~$1080 estimated | $250 | Delta SkyMiles Platinum American Express |
| Est. annual benefits | $25945/yr | $20065/yr | Delta SkyMiles Platinum American Express |
| Annual fee | $350 | $0 | Blue Business Cash™ |
| Holistic overall | 64 pts (cat 32, bonus 16, benefits 14, fee 2) | 36 pts (cat 8, bonus 4, benefits 11, fee 13) | Delta SkyMiles Platinum American Express |
Madeen take
How to think about this pair
Delta SkyMiles Platinum American Express (3.6% top effective rate) vs Blue Business Cash™ (1%): Madeen's catalog compares fees vs fees across dining, grocery, gas, and travel — not just headline categories.
Strategy
Use Delta SkyMiles Platinum American Express when Best for spenders who put meaningful volume in travel and can earn 3x miles. The welcome bonus can help if you can meet the spend requirement. Travel perks may add value beyond the earn rate.. Use Blue Business Cash™ when Best for spenders who put meaningful volume in dining and can earn 1% back. The welcome bonus can help if you can meet.
Hold both?
Many American Express users can hold both cards if each covers a different spend lane and the combined annual fees still clear your break-even math.
Welcome bonus playbook
If you are chasing a welcome bonus, Delta SkyMiles Platinum American Express leads on catalog bonus value. For long-term category earn after the bonus, Blue Business Cash™ is the stronger keeper in this pair — but only if its annual fee still makes sense for your spend.
Madeen analysis
Which card has stronger benefits: Delta SkyMiles Platinum American Express or Blue Business Cash™?
Madeen estimates $25945 annual benefit value on Delta SkyMiles Platinum American Express versus $20065 on Blue Business Cash™. Credits only matter if you will use them.
Delta SkyMiles Platinum American Express
Total est. value: $25,945/yr
Credits and perks only help if you will actually use them in a typical year.
- Extended Warranty $10,000/yr
- Purchase Protection $10,000/yr
- MQD Headstart and MQD Boost $2,500/yr
- Baggage Insurance Plan $2,000/yr
- Trip Delay Insurance $500/yr
Blue Business Cash™
Total est. value: $20,065/yr
Credits and perks only help if you will actually use them in a typical year.
- Extended Warranty $10,000/yr
- Purchase Protection $10,000/yr
- Car Rental Loss and Damage Insurance $40/yr
- Global Assist® Hotline $25/yr
Welcome bonus
Which welcome bonus is stronger for Delta SkyMiles Platinum American Express or Blue Business Cash™?
If you are chasing a welcome bonus, Delta SkyMiles Platinum American Express leads on catalog bonus value. For long-term category earn after the bonus, Blue Business Cash™ is the stronger keeper in this pair — but only if its annual fee still makes sense for your spend. Delta SkyMiles Platinum American Express lists 90k Delta SkyMiles; Blue Business Cash™ lists.
Delta SkyMiles Platinum American Express
90k Delta SkyMiles
Blue Business Cash™
$250
Caps & conditions
Caps and earn limits
Delta SkyMiles Platinum American Express has catalog caps that can change the winner on heavy category spend, while Blue Business Cash™ looks cleaner on cap structure in this snapshot.
Delta SkyMiles Platinum American Express
- Earn 2X miles at restaurants
- Earn 2X miles at U.S. supermarkets
- Earn 3X miles on purchases made directly with hotels
Who should pick which
Scenario playbook
Cashback-first user
Pick Delta SkyMiles Platinum American Express
Delta SkyMiles Platinum American Express is the better cashback-style pick because it has the cleaner effective-rate and fee blend for this pair.
Travel & points user
Pick Delta SkyMiles Platinum American Express
Delta SkyMiles Platinum American Express is the stronger travel-style pick because it combines better reward value with more travel-friendly positioning.
No annual fee priority
Pick Blue Business Cash™
Blue Business Cash™ is easier to keep for no-fee users because it has the lighter annual-fee burden in this pair.
Heavy dining spend
Pick Delta SkyMiles Platinum American Express
For restaurant and dining-coded spend, the winner is whoever posts the stronger dining effective rate after caps and exclusions — see the category matrix for the current snapshot.
Heavy grocery spend
Pick Delta SkyMiles Platinum American Express
Supermarket and grocery coding can differ from superstores and delivery, so compare the grocery row before you optimize a weekly shopping basket.
Welcome bonus chaser
Pick Delta SkyMiles Platinum American Express
If you are chasing a welcome bonus, Delta SkyMiles Platinum American Express leads on catalog bonus value. For long-term category earn after the bonus, Blue Business Cash™ is the stronger keeper in this pair — but only if its annual fee still makes sense for your spend.
Fee-sensitive keeper
Pick Blue Business Cash™
When you want the card that is easiest to keep year two, annual fee often matters more than a narrow category edge.
Decision guide
Which card is better between Delta SkyMiles Platinum American Express and Blue Business Cash™?
Delta SkyMiles Platinum American Express is the better overall pick because it leads on Madeen's weighted scorecard (64 vs 36) across categories, bonus, benefits, and fee. Delta SkyMiles Platinum American Express (3.6% top effective rate) vs Blue Business Cash™ (1%): Madeen's catalog compares fees vs fees across dining, grocery, gas, and travel — not just headline categories.
When should you pick Delta SkyMiles Platinum American Express over Blue Business Cash™?
Choose Delta SkyMiles Platinum American Express if Best for spenders who put meaningful volume in travel and can earn 3x miles. The welcome bonus can help if you can meet the spend requirement. Travel perks may add value beyond the earn rate.. Best for travel-heavy spend when the $350 fee fits your usage; confirm issuer terms before applying.
Strengths
- Strongest Madeen category is travel at about 3.6% effective (3x miles).
- That travel rate ranks higher than about 99% of cards we track in the category.
- No foreign transaction fee listed.
Tradeoffs
- $350 annual fee requires enough spend in bonus categories to offset.
- Multiple caps, activations, or exclusions may limit headline earn rates.
When should you pick Blue Business Cash™ over Delta SkyMiles Platinum American Express?
Choose Blue Business Cash™ if Best for spenders who put meaningful volume in dining and can earn 1% back. The welcome bonus can help if you can meet the spend requirement.. Worth a look for dining spend if you need a business card and can use cash back the way you redeem today.
Strengths
- Strongest Madeen category is dining at about 1% effective (1% back).
- No annual fee in our catalog snapshot.
- Welcome bonus may add value if you can meet spend requirements.
Tradeoffs
- Charges $2.70 foreign transaction fees.
- Business card — rewards and liability rules differ from consumer cards.
Common questions about Delta SkyMiles Platinum American Express vs Blue Business Cash™
Which card is better between Delta SkyMiles Platinum American Express and Blue Business Cash™?
Delta SkyMiles Platinum American Express is the stronger overall fit because it leads on Madeen's weighted scorecard (64 vs 36) across categories, bonus, benefits, and fee. The overall winner depends on your spend mix — use the scorecard rows and scenario playbook to see where each card actually wins.
Which card wins on dining: Delta SkyMiles Platinum American Express or Blue Business Cash™?
Delta SkyMiles Platinum American Express leads dining at 2.4% effective versus 1%.
Which card is better for cashback users: Delta SkyMiles Platinum American Express or Blue Business Cash™?
Delta SkyMiles Platinum American Express is the better cashback-style pick between Delta SkyMiles Platinum American Express and Blue Business Cash™.
Which welcome bonus is stronger between Delta SkyMiles Platinum American Express and Blue Business Cash™?
If you are chasing a welcome bonus, Delta SkyMiles Platinum American Express leads on catalog bonus value. For long-term category earn after the bonus, Blue Business Cash™ is the stronger keeper in this pair — but only if its annual fee still makes sense for your spend.
Which card has stronger benefits: Delta SkyMiles Platinum American Express or Blue Business Cash™?
Delta SkyMiles Platinum American Express leads on estimated annual benefit value in the Madeen snapshot.
Which card has the lower annual fee: Delta SkyMiles Platinum American Express or Blue Business Cash™?
Blue Business Cash™ has the simpler fee story in this pair ($350 vs $0). Annual fee only wins if you use the rewards and credits that justify it.
Is Delta SkyMiles Platinum American Express or Blue Business Cash™ better for travel spend?
Delta SkyMiles Platinum American Express is the stronger travel-style pick between Delta SkyMiles Platinum American Express and Blue Business Cash™ in this snapshot.
Can you hold both American Express cards?
Yes, many people can hold both American Express cards when each covers a different spend lane and the combined fees still make sense.
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Reviewed by Madeen editorial review
Catalog snapshot 2026-05-01
Updated 2026-06-25
Content tier Standard
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