Delta Air Lines vs Southwest Airlines
Verdict: Delta Air Lines provides a far larger route network (300 destinations vs. 100) and premium cabin options, but its fares and baggage fees are notably higher. Southwest Airlines excels in low fares, free checked bags, and a higher on‑time performance of 81% versus Delta’s 78% (FlightStats 2025 Q2). For budget‑focused domestic travelers Southwest is the clear winner, while international premium travelers should lean toward Delta.
Winner: Southwest Airlines
Delta Air Lines: 8/10
Southwest Airlines: 7/10
Spec-by-spec comparison
| Delta Air Lines | Southwest Airlines | |
|---|---|---|
| Fleet size | 900 aircraft | 750 aircraft |
| Destinations | 300 | 100 |
| On-time arrival % (2025 Q2) | 78% | 81% |
| Average fare 2025 | $350 | $250 |
Delta Air Lines
What works
- Higher on-time performance than industry average
What doesn't
- Higher baggage fees ($25 first bag)
- Higher base fares than many U.S. carriers
Bottom line
Our pick: Southwest Airlines.
View full comparison on GoodPickr
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