How to Earn Delta SkyMiles on Delta and Partner Flights
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Many travelers assume earning Delta SkyMiles is straightforward: buy a ticket, take a flight, and receive miles. In reality, the number of SkyMiles you earn depends on who sold the ticket, which airline operates the flight, your fare class, and whether the flight is marketed by Delta or a partner airline.
Understanding these rules is essential because two passengers sitting next to each other on the same flight can earn dramatically different numbers of SkyMiles.
How Delta Calculates SkyMiles on Delta Flights
For most Delta-marketed flights, SkyMiles are earned based on the price of the ticket rather than the distance flown.
General SkyMiles members earn:
| Fare Type | SkyMiles Earned |
|---|---|
| Delta Main Cabin (Classic or Refundable) | 5 SkyMiles per eligible $1 spent |
| Delta Extra fares | 7 SkyMiles per eligible $1 spent |
| Delta Comfort Basic fares | 2 SkyMiles per eligible $1 spent |
The calculation is based on the base airfare and carrier-imposed surcharges, excluding taxes and government fees.
Medallion Members Earn More
Elite members receive mileage bonuses on top of the base earning rate.
| Status Level | Bonus on Base Miles |
|---|---|
| Silver Medallion | +40% |
| Gold Medallion | +60% |
| Platinum Medallion | +80% |
| Diamond Medallion | +120% |
For example, if a general member earns 5,000 SkyMiles from a ticket, a Diamond Medallion member would earn 11,000 SkyMiles for the same purchase.
Example: Earning Miles on a Delta Flight
Suppose a traveler purchases a Delta-marketed ticket with:
- Base fare: $400
- Carrier surcharge: $100
Total eligible spend: $500
A general SkyMiles member would earn: 5 × $500 = 2,500 SkyMiles.
A Gold Medallion member would earn: 2,500 + 60% bonus = 4,000 SkyMiles.
How Partner Airline Flights Earn SkyMiles
Partner flights work differently.
When flying on partner airlines such as:
- Air France
- KLM
- Virgin Atlantic
- Korean Air
- Aeromexico
- LATAM
- Scandinavian Airlines (SAS)
- China Airlines
- WestJet
SkyMiles are generally earned as a percentage of the distance flown, with the percentage determined by the fare class purchased.
This means that the same route may earn substantially different mileage depending on whether you book:
- Economy
- Premium Economy
- Business Class
- Discount Economy
Example: Air France Flight Credited to Delta
Assume you fly New York (JFK) – Paris (CDG)
Distance: approximately 3,635 miles.
- If your fare class earns 100% mileage credit, you would receive approximately: 3,635 SkyMiles
- If your fare class earns 150%, you would receive: 5,453 SkyMiles
- If your discounted fare class earns only 25%, you would receive: 909 SkyMiles
The exact percentages vary by airline and booking class. Delta publishes separate earning charts for each partner airline.
Delta Flights vs. Partner Flights
| Feature | Delta-Marketed Flights | Partner Airline Flights |
|---|---|---|
| Earning Method | Based on ticket spend | Usually based on distance flown |
| Fare Class Impact | Limited | Significant |
| Medallion Bonus | Yes | Yes, on eligible flights |
| MQD Earning | Based on spend | Based on partner earning formulas |
| Complexity | Simple | More complicated |
For inexpensive premium-cabin tickets on partner airlines, the distance-based system can sometimes generate far more SkyMiles than a similarly priced Delta ticket. This is one reason many experienced points-and-miles enthusiasts carefully select partner-airline fare classes when building a SkyMiles balance.
Which Partner Airlines Earn Delta SkyMiles?
Delta allows members to earn SkyMiles on flights operated by most SkyTeam airlines and several non-alliance partners.
Major partners include:
| Airline | Alliance/Relationship |
|---|---|
| Air France | SkyTeam |
| KLM | SkyTeam |
| Virgin Atlantic | Joint Venture Partner |
| Aeromexico | SkyTeam |
| Korean Air | SkyTeam |
| Scandinavian Airlines (SAS) | SkyTeam |
| China Airlines | SkyTeam |
| LATAM | Strategic Partner |
| WestJet | Strategic Partner |
| Air Europa | SkyTeam |
Eligibility depends on both the airline and the fare class booked. Some deeply discounted fare classes earn reduced mileage or no mileage at all.
Always Add Your SkyMiles Number
The most important step is making sure your SkyMiles number is attached to the reservation before travel.
If it is missing, you can usually request retroactive mileage credit after the flight, but adding the number during booking is far easier. Delta also allows members to request mileage credit for many partner flights after travel if the flight was eligible for earning.
Bottom Line
When flying Delta, SkyMiles are generally earned based on how much you spend on the ticket. Most members earn 5 miles per eligible dollar, while Medallion members receive additional bonuses.
Partner-airline flights are different. Instead of using ticket price, most partners award SkyMiles based on the distance flown and fare class purchased. Because of this, the earning potential on partner airlines can vary dramatically, especially in premium cabins.
Before booking a partner flight, it is worth checking Delta’s partner earning chart. The difference between two fare classes on the same flight can mean earning hundreds — or thousands — of additional SkyMiles.
