CardRewardsEditorial disclosure: CardRewards.ai is an independent comparison service. Our analysis is based on publicly available card data and is reviewed regularly by our editorial team. Card issuers do not influence our rankings or content. Last updated: May 2026.
The United Quest Card ($300/yr) is better for everyday value, while the Delta SkyMiles Platinum American Express Card ($350/yr) is worth it for frequent travelers who can use its premium perks. Here's the full comparison.
Annual Fee
Welcome Bonus
| Category | Delta SkyMiles Platinum American Express Card | United Quest Card |
|---|---|---|
| Delta Airlines | 3X | 1X |
Both cards win in 4 categories each — it comes down to which categories matter most to you.
Delta Purchases
Delta SkyMiles Platinum American Express Card earns 3X vs 1X
Delta Airlines
Delta SkyMiles Platinum American Express Card earns 3X vs 1X
Hotels
Delta SkyMiles Platinum American Express Card earns 2X vs 1X
Grocery Stores
Delta SkyMiles Platinum American Express Card earns 2X vs 1X
United Purchases
United Quest Card earns 3X vs 1X
United Airlines
United Quest Card earns 3X vs 1X
Streaming
United Quest Card earns 2X vs 1X
Travel
United Quest Card earns 2X vs 1X
The Delta SkyMiles Platinum American Express Card costs $350/yr — that's than the United Quest Card ($300/yr). To justify that gap, you need to extract at least $50 in annual value from the card's higher earn rates and benefits.
The United Quest Card has a lower annual fee ($300 vs $350), making it the more accessible option.
The Delta SkyMiles Platinum American Express Card justifies its higher fee with premium perks like travel credits.
Choose the United Quest Card if you want solid rewards with a lower cost of entry. Choose the Delta SkyMiles Platinum American Express Card if you travel frequently and can maximize its premium benefits.
Editorial disclosure: The analysis on this page is based on publicly available card data and is updated regularly. CardRewards.ai is an independent comparison service. Card issuers do not influence our rankings or editorial content. Last updated: May 2026.
The United Quest Card ($300/yr) is better for everyday value, while the Delta SkyMiles Platinum American Express Card ($350/yr) is worth it for frequent travelers who can use its premium perks. Here's the full comparison.
Annual Fee
Welcome Bonus
| Category | Delta SkyMiles Platinum American Express Card | United Quest Card |
|---|---|---|
| Delta Airlines | 3X | 1X |
Both cards win in 4 categories each — it comes down to which categories matter most to you.
Delta Purchases
Delta SkyMiles Platinum American Express Card earns 3X vs 1X
Delta Airlines
Delta SkyMiles Platinum American Express Card earns 3X vs 1X
Hotels
Delta SkyMiles Platinum American Express Card earns 2X vs 1X
Grocery Stores
Delta SkyMiles Platinum American Express Card earns 2X vs 1X
United Purchases
United Quest Card earns 3X vs 1X
United Airlines
United Quest Card earns 3X vs 1X
Streaming
United Quest Card earns 2X vs 1X
Travel
United Quest Card earns 2X vs 1X
The Delta SkyMiles Platinum American Express Card costs $350/yr — that's than the United Quest Card ($300/yr). To justify that gap, you need to extract at least $50 in annual value from the card's higher earn rates and benefits.
The United Quest Card has a lower annual fee ($300 vs $350), making it the more accessible option.
The Delta SkyMiles Platinum American Express Card justifies its higher fee with premium perks like travel credits.
Choose the United Quest Card if you want solid rewards with a lower cost of entry. Choose the Delta SkyMiles Platinum American Express Card if you travel frequently and can maximize its premium benefits.
Editorial disclosure: The analysis on this page is based on publicly available card data and is updated regularly. CardRewards.ai is an independent comparison service. Card issuers do not influence our rankings or editorial content. Last updated: May 2026.
The United Quest Card ($300/yr) is better for everyday value, while the Delta SkyMiles Platinum American Express Card ($350/yr) is worth it for frequent travelers who can use its premium perks. Here's the full comparison.
Annual Fee
Welcome Bonus
| Category | Delta SkyMiles Platinum American Express Card | United Quest Card |
|---|---|---|
| Delta Airlines | 3X | 1X |
Both cards win in 4 categories each — it comes down to which categories matter most to you.
Delta Purchases
Delta SkyMiles Platinum American Express Card earns 3X vs 1X
Delta Airlines
Delta SkyMiles Platinum American Express Card earns 3X vs 1X
Hotels
Delta SkyMiles Platinum American Express Card earns 2X vs 1X
Grocery Stores
Delta SkyMiles Platinum American Express Card earns 2X vs 1X
United Purchases
United Quest Card earns 3X vs 1X
United Airlines
United Quest Card earns 3X vs 1X
Streaming
United Quest Card earns 2X vs 1X
Travel
United Quest Card earns 2X vs 1X
The Delta SkyMiles Platinum American Express Card costs $350/yr — that's than the United Quest Card ($300/yr). To justify that gap, you need to extract at least $50 in annual value from the card's higher earn rates and benefits.
The United Quest Card has a lower annual fee ($300 vs $350), making it the more accessible option.
The Delta SkyMiles Platinum American Express Card justifies its higher fee with premium perks like travel credits.
Choose the United Quest Card if you want solid rewards with a lower cost of entry. Choose the Delta SkyMiles Platinum American Express Card if you travel frequently and can maximize its premium benefits.
Editorial disclosure: The analysis on this page is based on publicly available card data and is updated regularly. CardRewards.ai is an independent comparison service. Card issuers do not influence our rankings or editorial content. Last updated: May 2026.
| Delta Purchases | 3X | 1X |
| United Airlines | 1X | 3X |
| United Purchases | 1X | 3X |
| Dining | 2X | 2X |
| Grocery Stores | 2X | 1X |
| Hotels | 2X | 1X |
| Streaming | 1X | 2X |
| Travel | 1X | 2X |
Network
Key Benefits
Pros
Cons
The Delta SkyMiles Platinum American Express Card offers travel credits, Global Entry/TSA PreCheck credit, free checked bags. With 3 premium perks, heavy spenders on delta purchases and delta airlines can often offset the full fee.
Bottom line: The $50 difference is small enough that the Delta SkyMiles Platinum American Express Card's extra perks make it worth considering for most cardholders.
Choosing one card means missing out on these benefits from the other.
Choosing United Quest Card means losing:
Get the Delta SkyMiles Platinum American Express Card if you:
Get the United Quest Card if you:
| Delta Purchases | 3X | 1X |
| United Airlines | 1X | 3X |
| United Purchases | 1X | 3X |
| Dining | 2X | 2X |
| Grocery Stores | 2X | 1X |
| Hotels | 2X | 1X |
| Streaming | 1X | 2X |
| Travel | 1X | 2X |
Network
Key Benefits
Pros
Cons
The Delta SkyMiles Platinum American Express Card offers travel credits, Global Entry/TSA PreCheck credit, free checked bags. With 3 premium perks, heavy spenders on delta purchases and delta airlines can often offset the full fee.
Bottom line: The $50 difference is small enough that the Delta SkyMiles Platinum American Express Card's extra perks make it worth considering for most cardholders.
Choosing one card means missing out on these benefits from the other.
Choosing United Quest Card means losing:
Get the Delta SkyMiles Platinum American Express Card if you:
Get the United Quest Card if you:
| Delta Purchases | 3X | 1X |
| United Airlines | 1X | 3X |
| United Purchases | 1X | 3X |
| Dining | 2X | 2X |
| Grocery Stores | 2X | 1X |
| Hotels | 2X | 1X |
| Streaming | 1X | 2X |
| Travel | 1X | 2X |
Network
Key Benefits
Pros
Cons
The Delta SkyMiles Platinum American Express Card offers travel credits, Global Entry/TSA PreCheck credit, free checked bags. With 3 premium perks, heavy spenders on delta purchases and delta airlines can often offset the full fee.
Bottom line: The $50 difference is small enough that the Delta SkyMiles Platinum American Express Card's extra perks make it worth considering for most cardholders.
Choosing one card means missing out on these benefits from the other.
Choosing United Quest Card means losing:
Get the Delta SkyMiles Platinum American Express Card if you:
Get the United Quest Card if you:
