MileIntelKey Takeaways
- Delta SkyMiles is part of SkyTeam; JetBlue TrueBlue isn't part of an airline alliance. If you fly internationally, your alliance determines your partner airline options.
- JetBlue TrueBlue delivers higher average redemption value (1.3¢ vs. 1.1¢ per point), but raw value isn't everything — earning velocity and award availability matter too.
- Delta SkyMiles offers 4 elite tiers (Silver Medallion, Gold Medallion, Platinum Medallion); JetBlue TrueBlue offers 4 (Mosaic 1, Mosaic 2, Mosaic 3).
- Both share 1 transfer partner — you can earn flexibly and transfer to whichever program offers better value for a given trip.
- Choose Delta SkyMiles if you're among travelers in Delta hub cities (ATL, MSP, DTW, SEA, SLC, JFK, LAX, BOS). Choose JetBlue TrueBlue if you're among east coast travelers, especially those flying NYC-BOS-FLL corridors and Mint class.
Quick comparison
| Category | Delta SkyMilesDelta Air Lines | JetBlue TrueBlueJetBlue Airways |
|---|---|---|
| Alliance | SkyTeam | None |
| Currency | miles | points |
| Earn Rate | 5 base miles per $1 on Main Cabin+ fares. Elite bonuses: Silver +2, Gold +3, Platinum +4, Diamond +6 miles per $1. Basic Economy does not earn miles | 3-6 points per $1 on JetBlue fares (1 pt/$ on Blue Basic). Booking direct adds 3 bonus pts/$. Mosaic members earn +3 to +5 bonus pts/$ |
| Avg Value | 1.1¢ per mile | 1.3¢ per pointWinner |
| Elite TiersTie | Silver Medallion, Gold Medallion, Platinum Medallion, Diamond Medallion | Mosaic 1, Mosaic 2, Mosaic 3, Mosaic 4 |
| Expiration | Miles never expire as long as the account is active and in good standingWinner | Points expire after 12 months of no qualifying activity (earning or redeeming). Any activity resets the clock |
| Transfer Partners | Amex Membership Rewards, Marriott BonvoyWinner | Amex Membership Rewards |
| Best For | Travelers in Delta hub cities (ATL, MSP, DTW, SEA, SLC, JFK, LAX, BOS) | East coast travelers, especially those flying NYC-BOS-FLL corridors and Mint class |
Elite Qualification Comparison
Delta SkyMiles
Delta's MQD-only model is the simplest in the industry. Every dollar spent on Delta flights, Delta Vacations, and eligible purchases counts toward your MQD threshold. No segments, no points, no dual paths.
The Amex MQD Headstart is the key accelerator: Delta Platinum Amex gives $2,500 MQD Headstart, Delta Reserve gives $5,000 MQD Headstart (and the two types stack — holding both means $7,500 before your first flight). Additional MQD Boost comes from card spending throughout the year.
JetBlue TrueBlue
TrueBlue uses Qualifying Points (earned from JetBlue flights and co-branded card spending) or the alternative segment path. 15,000 QPs or 30 segments + $4,000 spend → Mosaic.
JetBlue Plus or Premier credit cards (Barclays, $99/year) contribute QPs via spend: 1 QP per $20 on the Plus, 1 QP per $10 on the Premier. $40K-60K in card spend effectively fast-tracks Mosaic.
Upgrade Instruments
Delta SkyMiles
- Regional Upgrade Certificates (RUCs)
- Upgrade to First/Delta One on domestic and short-haul international flights (under 2,500 miles). Can be applied at booking for confirmed upgrade or waitlisted. Platinum gets 4, Diamond gets 8 as a Choice Benefit option.
- Global Upgrade Certificates (GUCs)
- Upgrade to Delta One on any Delta-operated flight worldwide, including long-haul international. The most valuable upgrade instrument in the Delta ecosystem. Diamond gets 3 as a Choice Benefit option.
- Complimentary Upgrades
- Free upgrades to Comfort+ and First Class on domestic flights, cleared based on Medallion status, fare class, and check-in time. Diamond members clear most domestic flights; Silver clears sporadically on off-peak routes.
- Mileage Upgrades
- Pay miles + a co-pay to upgrade on select domestic flights. Available to all SkyMiles members, not just elites. Costs vary by route.
JetBlue TrueBlue
- Mint Upgrades (Space Available)
- Mosaic and Mosaic Plus members can request Mint upgrades when cabin space is available. Upgrades clear based on status and fare class, typically within 24-48 hours of departure.
- Companion Certificate (Mosaic Plus only)
- Bring a companion on a JetBlue flight for just the cost of taxes and fees. Valid on one round-trip per year. Significant value on longer routes — a $1,200 round-trip becomes $150 with companion cert.
Best Redemption Sweet Spots
Delta SkyMiles
- US domestic short-haulDelta First Class · 10,000-15,000 miles one-way
- Delta domestic first on short routes (under 2 hours) can price at Flash Sale levels during off-peak. The hard product is standard recliner but the service is excellent.
- US to Europe (e.g., JFK-AMS, ATL-CDG)Delta One · 50,000-85,000 miles one-way
- Delta One suites on the A350 and A330-900neo are competitive with any business class. Award availability is better than United Polaris on high-demand routes.
- US to Latin AmericaDelta One / First · 30,000-50,000 miles one-way
- Delta's Caribbean and Latin American network is strong from ATL and JFK. Miles often price lower than competitors on these routes.
JetBlue TrueBlue
- JFK-LAX or JFK-SFO in MintJetBlue Mint Business · 50,000-80,000 points one-way
- Cash rates $800-1,500 for Mint transcons. At 50K-80K points, you're redeeming at 1.0-1.9 cents per point. Not a sweet spot per se, but Mint is a consistently underpriced premium cabin in cash — so points redemptions follow.
- East Coast to CaribbeanEconomy or Mint · 10,000-25,000 points one-way economy / 35K-60K Mint
- JetBlue's route network dominates East Coast to Caribbean (NYC/BOS to DR, PR, Jamaica, Caymans). Short-haul Mint is available on select routes and is genuinely excellent.
- Family travel via points poolingEconomy · Variable
- Up to 7 family members can pool points for free. Most competitors charge fees or restrict pooling. This effectively multiplies each earning household member's redemption power.
Credit Card Strategy
Delta SkyMiles
Delta Reserve Amex ($650/year) is the cornerstone: $5,000 MQD Headstart, Sky Club access on Delta flights, and Centurion Lounge access. The MQD Headstart alone can save you $5,000 in flights toward status.
Stack with Delta Platinum Amex ($350/year) for an additional $2,500 MQD Headstart = $7,500 total before flying. Add MQD Boost from card spending throughout the year.
JetBlue TrueBlue
JetBlue Plus (Barclays, $99/year): 6x on JetBlue, 2x on dining/groceries, 5K anniversary bonus, free first checked bag. Best all-around for JetBlue loyalists.
JetBlue Premier (Barclays, $499/year): Higher earn rate, $100 statement credit, Mosaic-qualifying benefits. Only worth it if you're close to Mosaic via spend.
Choose Delta SkyMiles if you...
- Avg Value
- 1.1¢
- Elite Tiers
- 4
Travelers in Delta hub cities (ATL, MSP, DTW, SEA, SLC, JFK, LAX, BOS). Delta Air Lines' loyalty program with MQD-only elite qualification. Miles never expire and the domestic network is one of the strongest in the US.
Skip if:International travelers who want Star Alliance or OneWorld partner awards — Delta's SkyTeam network is narrower
Choose JetBlue TrueBlue if you...
- Avg Value
- 1.3¢
- Elite Tiers
- 4
East coast travelers, especially those flying NYC-BOS-FLL corridors and Mint class. JetBlue's tile-based loyalty program with four Mosaic tiers. Tiles are earned through JetBlue spending and credit card activity.
Skip if:Travelers focused on premium cabin international redemptions — JetBlue has limited long-haul premium options (Paris, London, Amsterdam)
Frequently Asked Questions
It depends on your travel patterns and home airport. Delta SkyMiles is best for travelers in Delta hub cities (ATL, MSP, DTW, SEA, SLC, JFK, LAX, BOS). JetBlue TrueBlue is best for east coast travelers, especially those flying NYC-BOS-FLL corridors and Mint class. The right program is the one that matches your most-flown routes and travel style.
Delta SkyMiles: Miles never expire as long as the account is active and in good standing. JetBlue TrueBlue: Points expire after 12 months of no qualifying activity (earning or redeeming). Any activity resets the clock.
While you can't transfer directly between Delta SkyMiles and JetBlue TrueBlue, they share transfer partners through credit card programs, which can serve as a bridge between the two ecosystems.
Delta SkyMiles offers 4 tiers (Silver Medallion, Gold Medallion, Platinum Medallion, Diamond Medallion). JetBlue TrueBlue offers 4 tiers (Mosaic 1, Mosaic 2, Mosaic 3, Mosaic 4). The comparison depends on which benefits matter most to you — read the detailed tier breakdown above.
Yes — if you have balances in both programs, MileIntel can track them side by side and recommend which program's miles to use for each specific trip. The right program can change based on your route, cabin, and what upgrade instruments you have available.
MileIntel is an independent tool and is not affiliated with, endorsed by, or sponsored by any airline or loyalty program mentioned on this page. All trademarks belong to their respective owners.
