What are the key differences between Delta SkyMiles and United MileagePlus?

Compare Delta SkyMiles and United MileagePlus side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Delta SkyMiles and United MileagePlus scored?

Delta SkyMiles has an AI score of 8.5/10 and United MileagePlus has an AI score of 8.8/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Delta SkyMiles vs United MileagePlus 2026 — Compared

Delta SkyMiles

United MileagePlus

WINNER United MileagePlus

United MileagePlus edges ahead with a score of 8.8/10 compared to 8.5/10 for Delta SkyMiles. While both are highly rated...

Delta SkyMiles

8.5 Very Good

Airline Loyalty Get Delta SkyMiles open_in_new

emoji_events WINNER

United MileagePlus

8.8 Very Good

Airline Loyalty Get United MileagePlus open_in_new

psychology AI Verdict

United MileagePlus edges ahead with a score of 8.8/10 compared to 8.5/10 for Delta SkyMiles. While both are highly rated in their respective fields, United MileagePlus demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: United MileagePlus

verified Confidence: Low

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description Overview

Delta SkyMiles

Delta SkyMiles offers a well-established program with a strong focus on customer service and a decent network. While award availability can be a significant hurdle, particularly for international travel, the programs partnership with SkyTeam provides access to a wide range of destinations. Deltas dynamic pricing model can be less predictable than some competitors. Elite status benefits are compe...

United MileagePlus

United MileagePlus offers a robust program with access to the Star Alliance network, providing a vast range of destinations. While award availability can be a challenge, particularly for upgrades, the programs partnership network is a significant advantage. Uniteds dynamic award pricing system can be unpredictable, but savvy travelers can find good value with careful planning. Elite status bene...