Skip to main content
CardCurator — Rewards Intelligence
Card Comparison

Delta SkyMiles Platinum Business Card vs Southwest Plus

Side-by-side comparison of fees, rewards, benefits, and transfer partners.

Delta SkyMiles Platinum Business Card card art
Delta SkyMiles
Delta SkyMiles Platinum Business Card
American Express
More Info
Southwest Plus card art
Southwest Rapid Rewards
Southwest Plus
Chase
More Info
Annual Fee
$350/yr
$99/yr
Foreign Fees
None
None
Signup Bonus
100,000 points
Spend $8,000 in 6 months
85,000 points
Spend $3,000 in 3 months
Top Earn Rates
  • Delta Purchases 3x
  • Large Purchases 3x
  • Advertising 2x
  • Southwest Purchases 2x
  • Gas Stations and Grocery Stores 2x
  • All Other Purchases 1x
Reward Type
miles
miles
Key Credits
  • In-Flight Purchases Credit $100
  • CLEAR Plus Credit $189
  • Uber One Membership $10
None
Card Perks
  • First Checked Bag Free
  • Priority Boarding
  • Companion Certificate
  • +1 more
None listed
Transfer Partners
No transfer partners
No transfer partners
Open full comparison tool Compare more cards

Common Questions: Delta SkyMiles Platinum Business Card vs Southwest Plus

Is the Delta SkyMiles Platinum Business Card or Southwest Plus better for dining?

Neither card offers a specific dining bonus — both earn their base rate on restaurant purchases.

Which has the higher signup bonus in 2026?

Delta SkyMiles Platinum Business Card currently offers 100,000 pts signup bonus (spend $8,000 in 6 months). Southwest Plus offers 85,000 pts signup bonus (spend $3,000 in 3 months). Delta SkyMiles Platinum Business Card has the larger bonus.

Which card is better for international travel?

Both cards charge no foreign transaction fees, making either a solid choice for international travel.

Can I hold both the Delta SkyMiles Platinum Business Card and the Southwest Plus?

In most cases yes — holding both is allowed and can be a smart strategy for maximizing rewards across different spending categories. Delta SkyMiles Platinum Business Card is from American Express and Southwest Plus is from Chase, so they're governed by separate bank policies.