Editorial disclosure: CardRewards.ai is an independent comparison service. Card data comes from issuers' published terms; data as of September 27, 2026. Card issuers do not influence our rankings or content.
Annual fees: Delta SkyMiles Gold American Express Card $150/yr, FRONTIER Airlines World Mastercard $99/yr. Strongest bonus categories: Delta SkyMiles Gold American Express Card on dining, FRONTIER Airlines World Mastercard on dining.
Card data as of September 27, 2026.
Annual Fee
Welcome Bonus
| Category | Delta SkyMiles Gold American Express Card | FRONTIER Airlines World Mastercard |
|---|---|---|
| Dining | 2X | 3X |
| Grocery Stores |
Both cards win in 1 categories each — it comes down to which categories matter most to you.
Dining
FRONTIER Airlines World Mastercard earns 3X vs 2X
Grocery Stores
Delta SkyMiles Gold American Express Card earns 2X vs 1X
Modeled net value (bonus categories at unconditional rates, caps applied). Spend mix: dining 15%, groceries 15%, gas 10%, travel 10%, everything else 50%. Statement credits use the same recurring usable estimates as each card's detail page; first-year-only credits count in year one only. Welcome offers valued at each card's program rate shown on this page.
Modeled value is close across spend levels — especially once statement credits are counted.
| Scenario | Delta SkyMiles Gold American Express Card | FRONTIER Airlines World Mastercard | Ongoing winner | Year-one winner |
|---|---|---|---|---|
| Light spender: $1,000/month | Rewards: $187 Credits (our usable estimate): $182 − Annual fee ($150) Ongoing: $219 Year one: $369 | Rewards: $203 Credits (our usable estimate): $0 − Annual fee ($99) Ongoing: $104 Year one: $884 | Delta SkyMiles Gold American Express Card | FRONTIER Airlines World Mastercard |
Modeled value is close across spend levels — especially once statement credits are counted.
Published annual fees: Delta SkyMiles Gold American Express Card $150/yr, FRONTIER Airlines World Mastercard $99/yr — a $51 difference before welcome offers and credits.
| 1X |
Network
Key Benefits
Pros
Cons
| Heavy spender: $4,000/month | Rewards: $749 Credits (our usable estimate): $182 − Annual fee ($150) Ongoing: $781 Year one: $931 | Rewards: $811 Credits (our usable estimate): $0 − Annual fee ($99) Ongoing: $712 Year one: $1,492 | Close — depends on how much of the credits you use | FRONTIER Airlines World Mastercard |
The Delta SkyMiles Gold American Express Card costs $150/yr — that's $51 more than the FRONTIER Airlines World Mastercard ($99/yr). To justify that gap, you need to extract at least $51 in annual value from the card's higher earn rates and benefits.
The Delta SkyMiles Gold American Express Card includes travel credits, free checked bags. Those perks are not included in the earn-rate scenario table above — compare their dollar value to the $51 fee gap for your own usage.
Bottom line: Use the year-one vs ongoing table for modeled earn value at your spend level. The $51 fee gap means the Delta SkyMiles Gold American Express Card needs roughly $51 more in annual rewards (or credits you will use) to break even on dining and grocery stores and everyday spend.
Get the Delta SkyMiles Gold American Express Card if you:
Editorial disclosure: CardRewards.ai is an independent comparison service. Card data comes from issuers' published terms; data as of September 27, 2026. Card issuers do not influence our rankings or content.
