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Delta vs United Airlines vs American Airlines: which app has fewer problems?

We compared 300 recent App Store reviews of Delta, 300 recent App Store reviews of United Airlines and 300 recent App Store reviews of American Airlines, each classified by AI into 7 complaint themes (samples from up to 6 storefronts, latest review 2026-10-22). American Airlines has the fewest complaints overall: 50% of its recent reviews contain a complaint, vs 78% for Delta and 60% for United Airlines.

Ratings at a glance

Complaint themes side by side

Share of all analysed reviews that mention each theme (review count in brackets). Bold = lowest. A review can mention several themes.

Verdict: which one has fewer problems?

Across the latest 900 App Store reviews we collected, American Airlines has the lowest share of reviews with a complaint (50%) and Delta the highest (78%). The biggest single difference is in bug complaints: 64% of Delta reviews mention them, vs 40% for United Airlines. Each app's own biggest complaint theme: Delta, bugs (193 reviews); United Airlines, bugs (121 reviews); American Airlines, bugs (123 reviews). Average star rating in the samples ranges from 1.76★ (Delta) to 2.86★ (American Airlines). Time span of each sample: Delta 180 days (2026-04-26 to 2026-10-22); United Airlines 463 days (2025-07-17 to 2026-10-22); American Airlines 2823 days (2019-01-30 to 2026-10-22). Because Delta's sample covers a much shorter period, a single recent update or outage weighs more heavily in its numbers. Samples that reach back many months (fewer reviews per day) show long-running issues rather than the effect of one recent update.

• Fewer bug problems: United Airlines, 40% of its reviews vs 64% for Delta.
• Fewer crash and freeze problems: United Airlines, 4% of its reviews vs 8% for Delta.
• Fewer performance (slowness, battery, storage) problems: American Airlines, 6% of its reviews vs 15% for Delta.
• Fewer UX / design problems: American Airlines, 10% of its reviews vs 23% for United Airlines.
• Fewer pricing and subscription problems: American Airlines, 8% of its reviews vs 22% for United Airlines.
• Ad complaints: roughly tied (Delta 1%, United Airlines 1%, American Airlines 1% of reviews).
• Fewest feature requests: American Airlines, 21% of its reviews vs 31% for United Airlines.

Gaps under 3 percentage points are called a tie. Samples are recent reviews only, so this is a snapshot of current problems, not all-time quality.

Top 3 specific issues for each app

FAQ

Which has fewer problems overall: Delta, United Airlines or American Airlines?

In the most recent App Store reviews we analysed, American Airlines had the lowest share of reviews with a complaint (50% of 300) and Delta the highest (78% of 300). Delta: 235 of 300; United Airlines: 181 of 300; American Airlines: 150 of 300.

Which has fewer bug complaints: Delta, United Airlines or American Airlines?

United Airlines. Delta: 193 of 300 recent reviews (64%); United Airlines: 121 of 300 recent reviews (40%); American Airlines: 123 of 300 recent reviews (41%).

Which has fewer crash and freeze complaints: Delta, United Airlines or American Airlines?

United Airlines. Delta: 24 of 300 recent reviews (8%); United Airlines: 11 of 300 recent reviews (4%); American Airlines: 12 of 300 recent reviews (4%).

Which has fewer pricing and subscription complaints: Delta, United Airlines or American Airlines?

American Airlines. Delta: 29 of 300 recent reviews (10%); United Airlines: 65 of 300 recent reviews (22%); American Airlines: 24 of 300 recent reviews (8%).

Which has fewer ad complaints: Delta, United Airlines or American Airlines?

In our samples they are roughly tied: Delta: 2 of 300 recent reviews (1%); United Airlines: 2 of 300 recent reviews (1%); American Airlines: 3 of 300 recent reviews (1%).

Which is rated higher on the App Store: Delta, United Airlines or American Airlines?

All-time US App Store ratings: Delta 4.8★ from 7M ratings; United Airlines 4.8★ from 8.4M ratings; American Airlines 4.8★ from 1.7M ratings. Delta is highest, but all-time ratings move slowly; the recent-review samples above show current problems.

How recent is this Delta vs United Airlines vs American Airlines data?

Each sample is the most recent public App Store reviews we could collect (from up to 6 storefronts): Delta: 300 reviews over 180 days (2026-04-26 to 2026-10-22); United Airlines: 300 reviews over 463 days (2025-07-17 to 2026-10-22); American Airlines: 300 reviews over 2823 days (2019-01-30 to 2026-10-22). It is a snapshot of current problems, not all-time quality.

What is the most common complaint about Delta, United Airlines and American Airlines?

Delta: bugs (193 of 300 reviews), top-ranked fix: “fix login / account access”; United Airlines: bugs (121 of 300 reviews), top-ranked fix: “simplify navigation”; American Airlines: bugs (123 of 300 reviews), top-ranked fix: “fix login / account access”.

Full reports

• Fly Delta reviews: top complaints and what users want fixed
• United Airlines reviews: top complaints and what users want fixed
• American Airlines reviews: top complaints and what users want fixed

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