Fleet breakdown
CabinScore has measured 3 physically different business-class cabins that Delta Air Lines flies on the 737-900 — rated 4.4, 4.2 and 4.2 out of 10 — and booking sites sell every one of them as the same “Business” fare. Your route decides which one you board.
53.34cm wide · no direct aisle access
Delta's inherited 73J Boeing 737-900ER First cabin has reclining seats with substantially more space between rows than the standard layout. Window passengers still need to pass their neighbor to reach the aisle.
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53.086cm wide · no direct aisle access
Delta's inherited 73R Boeing 737-900ER First cabin has paired reclining seats without built-in entertainment screens. Window passengers must pass their neighbor to reach the aisle.
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53.086cm wide · no direct aisle access
Delta's standard Boeing 737-900ER First cabin has reclining seats arranged in pairs. Window passengers must pass their seatmate to reach the aisle.
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Route shares are the share of Delta Air Lines's observed flying on a tracked route that is this cabin, resolved from flight history to individual registrations. They describe the routes we track, not Delta Air Lines's whole 737-900 fleet — a version we haven't measured would not appear here at all.
