---
title: "Boeing 737-900 seat maps by airline"
description: "Which airlines fly the Boeing 737-900? Eight have a page here, including United Airlines, Delta Air Lines, and Alaska Airlines. Routes, not a cabin diagram."
canonical: "https://2lnr.com/seatmaps/aircraft/737-900"
url: "https://2lnr.com/seatmaps/aircraft/737-900.md"
date_modified: "2026-10-30T14:19:17Z"
---

# Boeing 737-900 seat maps: which airlines fly it

Eight airlines have a Boeing 737-900 page here, built from 2LNR's schedule data. United Airlines schedules it on 640 nonstop routes, Delta Air Lines on 584, and Alaska Airlines on 429.

Updated October 30, 2026.

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8

Airlines listed

Narrowbody

Aircraft class

Per flight

How the live map reads

## Airlines flying the Boeing 737-900

Each airline below has its own Boeing 737-900 page, listing the nonstop routes it flies the aircraft on in 2LNR's schedule data. The counts here are that page's own.

Airlines flying the Boeing 737-900, with their nonstop routes on it

| Airline | Nonstop routes | Airports | Busiest routes |
| :--- | :--- | :--- | :--- |
| [United Airlines (UA)](https://2lnr.com/seatmaps/ua/737-900.md) | 640 | 118 | [Chicago (ORD) to Newark (EWR)](https://2lnr.com/routes/ord-ewr.md); [Newark (EWR) to Chicago (ORD)](https://2lnr.com/routes/ewr-ord.md); [Orlando (MCO) to Newark (EWR)](https://2lnr.com/routes/mco-ewr.md) |
| [Delta Air Lines (DL)](https://2lnr.com/seatmaps/dl/737-900.md) | 584 | 110 | [Raleigh/Durham (RDU) to Atlanta (ATL)](https://2lnr.com/routes/rdu-atl.md); [Atlanta (ATL) to Raleigh/Durham (RDU)](https://2lnr.com/routes/atl-rdu.md); [Indianapolis (IND) to Atlanta (ATL)](https://2lnr.com/routes/ind-atl.md) |
| [Alaska Airlines (AS)](https://2lnr.com/seatmaps/as/737-900.md) | 429 | 87 | [Los Angeles (LAX) to Seattle (SEA)](https://2lnr.com/routes/lax-sea.md); [Seattle (SEA) to Anchorage (ANC)](https://2lnr.com/routes/sea-anc.md); [Phoenix (PHX) to Seattle (SEA)](https://2lnr.com/routes/phx-sea.md) |
| [Turkish Airlines (TK)](https://2lnr.com/seatmaps/tk/737-900.md) | 293 | 148 | [Antalya (AYT) to Istanbul (IST)](https://2lnr.com/routes/ayt-ist.md); [Istanbul (IST) to Antalya (AYT)](https://2lnr.com/routes/ist-ayt.md); [Izmir (ADB) to Istanbul (IST)](https://2lnr.com/routes/adb-ist.md) |
| [KLM (KL)](https://2lnr.com/seatmaps/kl/737-900.md) | 92 | 48 | [Rome (FCO) to Amsterdam (AMS)](https://2lnr.com/routes/fco-ams.md); [Amsterdam (AMS) to Stockholm (ARN)](https://2lnr.com/routes/ams-arn.md); [Amsterdam (AMS) to Tel Aviv (TLV)](https://2lnr.com/routes/ams-tlv.md) |
| [Korean Air (KE)](https://2lnr.com/seatmaps/ke/737-900.md) | 85 | 35 | [Jeju City (CJU) to Seoul (GMP)](https://2lnr.com/routes/cju-gmp.md); [Seoul (GMP) to Jeju City (CJU)](https://2lnr.com/routes/gmp-cju.md); [Busan (PUS) to Jeju City (CJU)](https://2lnr.com/routes/pus-cju.md) |
| [Copa Airlines (CM)](https://2lnr.com/seatmaps/cm/737-900.md) | 70 | 40 | [Panama City (PTY) to Sao Paulo (GRU)](https://2lnr.com/routes/pty-gru.md); [Panama City (PTY) to San Salvador (SAL)](https://2lnr.com/routes/pty-sal.md); [Buenos Aires (EZE) to Panama City (PTY)](https://2lnr.com/routes/eze-pty.md) |
| [El Al Israel Airlines (LY)](https://2lnr.com/seatmaps/ly/737-900.md) | 52 | 27 | [Tel Aviv (TLV) to Paris (CDG)](https://2lnr.com/routes/tlv-cdg.md); [Paris (CDG) to Tel Aviv (TLV)](https://2lnr.com/routes/cdg-tlv.md); [Milan (MXP) to Tel Aviv (TLV)](https://2lnr.com/routes/mxp-tlv.md) |

An airline needs at least 25 nonstop routes on the Boeing 737-900, on its own metal, and at least 3 aircraft types that clear the same bar to be listed, so a smaller Boeing 737-900 operation can be missing.

## Checked cabins on the Boeing 737-900

[Delta Air Lines](https://2lnr.com/seatmaps/dl/737-900.md): Delta First, Delta Comfort, Delta Main (last checked September 8, 2026). Its page has the seat layout and seat type for each cabin.

Only airlines whose own page shows checked cabin layouts appear in this section. An airline can swap the aircraft on the day.

## Frequently asked questions about the Boeing 737-900

**Which airline flies the Boeing 737-900 on the most routes?**

Of the airlines with a Boeing 737-900 page here, United Airlines schedules it on the most nonstop routes in 2LNR's schedule data: 640, reaching 118 airports. Delta Air Lines is next with 584, then Alaska Airlines with 429. Schedules move with the seasons, so the order can change.

**Does the Boeing 737-900 have the same cabins on every airline?**

No. Each airline fits its own cabins and seats, so the Boeing 737-900 on United Airlines and the Boeing 737-900 on Delta Air Lines can be quite different inside, and one airline can fly more than one layout. On the Delta Air Lines Boeing 737-900, the cabins 2LNR has checked are Delta First, Delta Comfort, and Delta Main, as last checked September 8, 2026.

**Can I see the Boeing 737-900 seat map for my flight?**

Yes, on Pro, for the specific flight and date you're on. 2LNR reads that flight's Boeing 737-900 seat map when you ask, scores the open seats inside your cabin and marks paid seats as paid.

## No cabin diagram here

2LNR doesn't publish stored seat diagrams for the Boeing 737-900 or any other aircraft. On Pro it reads the live seat map for a specific flight and date, which is the version that survives an aircraft swap. For a drawing of a cabin you haven't booked, a maintained library such as [AeroLOPA](https://www.aerolopa.com/) is the right tool.

## Other Boeing 737 family aircraft

- [Boeing 737 MAX 8](https://2lnr.com/seatmaps/aircraft/737-max-8.md)
- [Boeing 737 MAX 9](https://2lnr.com/seatmaps/aircraft/737-max-9.md)
- [Boeing 737-300](https://2lnr.com/seatmaps/aircraft/737-300.md)
- [Boeing 737-500](https://2lnr.com/seatmaps/aircraft/737-500.md)
- [Boeing 737-600](https://2lnr.com/seatmaps/aircraft/737-600.md)
- [Boeing 737-700](https://2lnr.com/seatmaps/aircraft/737-700.md)
- [Boeing 737-800](https://2lnr.com/seatmaps/aircraft/737-800.md)

## Related

- [Seat maps by aircraft type](https://2lnr.com/seatmaps/aircraft.md)
- [Seat maps by airline](https://2lnr.com/seatmaps.md)
- [How to read an airline seat map](https://2lnr.com/guides/airline-seat-maps.md)
- [What replaced SeatGuru](https://2lnr.com/compare/seatguru.md)

## See the seats on your Boeing 737-900 flight

Free to start. Pro adds the live per-flight seat map and seat monitoring.

[Get started free](https://2lnr.com/login) [See pricing](https://2lnr.com/pricing.md)