WillItWiFi

US legacy carriers

Delta Air Lines vs United Airlines— Wi-Fi compared

Side-by-side comparison of in-flight Wi-Fi: free vs paid, fleet coverage, satellite technology, and real traveler reports from public sources.

The verdict

Delta Air Lines edges out United Airlines for in-flight Wi-Fi

Delta Air Lines scores 92% on our algorithmic Wi-Fi index versus 84% for United Airlines. Delta Air Lines offers free messaging to all passengers. Recent public reports from travelers (last 90 days, 82 mentions) skew 43% positive for Delta Air Lines.

Side-by-side

92%
WIWi score
ProviderViasat
StarlinkNo
Free messagingYes
Real-world signal43% positive · 82 reports
View Delta Air Lines page →
84%
WIWi score
ProviderViasat / Panasonic / Starlink (rolling)
StarlinkRolling out
Free messagingNo
Real-world signal43% positive · 88 reports
View United Airlines page →

Detail comparison

CriterionDelta Air LinesUnited Airlines
WIWi score92%84%
PolicyFleet-wide Wi-FiMost aircraft equipped
ProviderViasatViasat / Panasonic / Starlink (rolling)
Starlink rolling outNoYes
Free messagingYesNo
Real reports (90d)8288
% positive sentiment43%43%
% negative sentiment17%30%
Top complaintPaywall (5×)Paywall (14×)
Last verified2026-01-152026-01-15
Pick Delta Air Lines when…
  • Higher overall Wi-Fi reliability score (92% vs 84%).
  • Free messaging is offered to all passengers without paywall.
  • Wi-Fi is installed across the entire mainline fleet.
Pick United Airlines when…
  • Starlink LEO Wi-Fi is rolling out — much lower latency than GEO satellites.

Recent traveler reports

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How we compare

  • Algorithmic score— calculated from each airline's published Wi-Fi policy, provider technology, and fleet coverage.
  • Real-world reports — automatically aggregated from public posts on Reddit, FlyerTalk, and other forums in the last 90 days. Classified by AI for sentiment and topic.
  • Last verified— date our team last manually checked the airline's policy page.
  • WillItWiFi has no commercial relationship with Delta Air Lines, United Airlines, or any satellite operator.