Delta Boeing 737-900ER seat map
Delta flies the Boeing 737-900ER (ICAO type B739) in one cabin layout. The 737-900ER seats 180: 20 First (first) seats 2-2 across, 160 Delta Comfort+ (economy) seats 3-3 across.
737-900ER · 180 seats
| Cabin | Product | Seats | Layout | Pitch |
|---|---|---|---|---|
| First | First | 20 | 2-2 | — |
| Economy | Delta Comfort+ | 21 | 3-3 | — |
| Economy | Main Cabin | 139 | 3-3 | — |
Dominant config (~130 aircraft): 20F/21 Comfort+/139 Main = 180. Small ex-lease sub-batches differ (e.g. 12F/24 Comfort+/137 Main = 173, and 12F/6 Comfort+/162 Main = 180); some are being reconfigured toward the standard layout.
How it compares: other airlines' Boeing 737-900ER
Same aircraft, different choices — more premium seats usually means fewer economy rows.
| Airline | Layout | Total | Business | Economy |
|---|---|---|---|---|
| Delta | 737-900ER | 180 | 20 | 3-3/3-3 |
| Alaska | 737-900ER | 178 | 16 | 3-3/3-3 |
About the Boeing 737-900ER
The Boeing 737-900ER is a Boeing narrowbody with a typical two-class capacity of 180 and a range of about 3,200 nautical miles. The largest and final member of the Boeing 737 Next Generation family. Full Boeing 737-900ER guide →
Notable Delta flights we track
- DL2 LHR–JFK
Schematic layout compiled from public airline information, last checked 2026-07-09. Airlines change cabins with retrofits; confirm on the airline's own seat map before choosing a seat. See our editorial policy.