Skip to main content
The Blue Board
Menu

United Airlines 737-900ER

136 aircraft · 179 seats · Largest NG narrowbody variant

Aircraft
136
Total Seats
179
Deliveries
2008–2016
Body Type
Narrow
Explore Boeing 737-900ER in Interactive Database →

Explore aircraft details below

Overview

The Boeing 737-900ER is the largest variant of the 737 Next Generation family and one of United's high-density domestic trunk aircraft, with 136 aircraft. The ER (Extended Range) designation adds fuel capacity and range over the base 737-900. United's Signature Interior — HD seatback screens, Bluetooth audio, power at every seat and larger overhead bins — is rolling out across the fleet.

Key facts: 136 aircraft · 179 seats · Largest NG variant · Signature Interior rollout · Starlink on 76 of 136

Seat Configuration

CabinSeatsLayoutPitch
First202-237–38"
Economy Plus453-334"
Economy1143-330"

WiFi & In-Flight Entertainment

United's free Starlink WiFi — free for MileagePlus members — had reached 87 of the 136 -900ERs as of 28 Oct 2026; the rest fly with Viasat Ka-band. Most have AVOD seatback screens, the rest personal-device entertainment, and the Signature Interior retrofit continues alongside the Starlink installs.

Routes & Hubs

Domestic routes from all major hubs, similar deployment to the 737 MAX 9 which it's being supplemented by.

Related Aircraft

Other 737s: MAX 9 (178), MAX 8 (123), 737-800 (141), 737-900 (12), 737-700 (40).

Specifications

Key technical specifications for the Boeing 737-900ER as operated by United Airlines.

Manufacturer The Boeing Company
Model 737-900ER
Body type Narrow-body
Engines 2x CFM56-7B27E
Range 3,200 nmi (5,930 km)
Cruise speed Mach 0.78
Wingspan 34.3 m (113 ft)
Length 42.1 m (138 ft)

Aircraft Registry — All 136 Boeing 737-900ER

Complete list of every United Airlines Boeing 737-900ER with registration, delivery year, seat configuration, WiFi, IFE, and current status, from public aviation records — as of .

Reg AC# Config WiFi IFE Power Year Status
N27421 3421 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2008 Active
N27477 3477 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N28457 3457 20F/45E+/114Y Starlink AVOD 110/USB 2012 Active
N28478 3478 20F/45E+/114Y Starlink AVOD 110 V 2013 NEXT confirmed
N34455 3455 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N34460 3460 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N36444 3444 20F/45E+/114Y Starlink AVOD 110/USB 2010 Active
N36447 3447 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N36469 3469 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N36472 3472 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N36476 3476 20F/45E+/114Y ViaSat Ka PDE 110 V 2013 NEXT???
N37413 3413 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N37419 3419 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2008 Active
N37420 3420 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N37422 3422 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N37427 3427 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N37434 3434 20F/45E+/114Y Starlink AVOD 110 V 2009 Active
N37437 3437 20F/45E+/114Y Starlink AVOD 110 V 2009 Active
N37456 3456 20F/45E+/114Y Starlink AVOD 110/USB 2012 Active
N37462 3462 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N37464 3464 20F/45E+/114Y Starlink AVOD 110/USB 2012 Active
N37465 3465 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2013 IAB Mod SL 9/25/26 ERS 9/27
N37466 3466 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N37468 3468 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N37470 3470 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N37471 3471 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N37474 3474 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N38417 3417 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2008 Active
N38424 3424 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N38443 3443 20F/45E+/114Y Starlink AVOD 110/USB 2010 Active
N38446 3446 20F/45E+/114Y ViaSat Ka AVOD 110 V 2011 Active
N38451 3451 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N38454 3454 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N38458 3458 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N38459 3459 20F/45E+/114Y Starlink AVOD 110/USB 2012 Active
N38467 3467 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N38473 3473 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2013 Active
N38479 3479* 20F/45E+/114Y Starlink AVOD 110/USB 2016 Active
N39415 3415 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N39416 3416 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2010 MCO Maint 9/21/26
N39418 3418 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N39423 3423 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N39450 3450 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N39461 3461 20F/45E+/114Y Starlink AVOD 110/USB 2012 Active
N39463 3463 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N39475 3475 20F/45E+/114Y Starlink AVOD 110/USB 2013 Active
N45440 3440 20F/45E+/114Y Starlink AVOD 110 V 2009 Active
N47414 3414 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2008 Active
N53441 3441 20F/45E+/114Y Starlink AVOD 110 V 2009 Active
N53442 3442 20F/45E+/114Y Starlink AVOD 110 V 2009 Active
N57439 3439 20F/45E+/114Y Starlink AVOD 110 V 2009 Active
N61881 3881 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N61882 3882 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N61886 3886 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N61887 3887 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N61898 3898 20F/45E+/114Y Starlink AVOD 120/USB 2016 CWF Paint 9/26/26 ERS
N62849 3849 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 reported w/o NEXT
N62883 3883 20F/45E+/114Y Starlink AVOD 120/USB 2015 Active
N62884 3884 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 IAB Mod SL 9/27/26 ERS
N62889 3889 20F/45E+/114Y Starlink AVOD 120/USB 2015 Active
N62892 3892 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Reported w/o Next
N62894 3894 20F/45E+/114Y Starlink AVOD 120/USB 2016 Active
N62895 3895 20F/45E+/114Y Starlink AVOD 120/USB 2016 Active
N62896 3896 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2016 Active
N63820 3820 20F/45E+/114Y Starlink AVOD 110 V 2014 Active
N63890 3890 20F/45E+/114Y Starlink AVOD 120/USB 2015 Active
N63899 3899 20F/45E+/114Y Starlink AVOD 120/USB 2016 Active
N64809 3809 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N64844 3844 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N65832 3832 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 No SLof Nexg on Flight Status
N66803 3803 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N66808 3808 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N66814 3814 20F/45E+/114Y Starlink PDE 110 V 2014 INT Mod Next 9/1226 ERS 10/11
N66825 3825 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 Active
N66828 3828 20F/45E+/114Y Starlink PDE 110 V 2014 Active
N66831 3831 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 No SLof Nexg on Flight Status
N66837 3837 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 MCO Maint 8/25/26
N66841 3841 20F/45E+/114Y ViaSat Ka PDE 110V 2015 Active
N66848 3848 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Reported W/O Next
N66893 3893 20F/45E+/114Y Starlink AVOD 120/USB 2016 Active
N66897 3897 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2016 Active
N67812 3812 20F/45E+/114Y Starlink AVOD 110 V 2014 Active
N67815 3815 20F/45E+/114Y Starlink AVOD 110 V 2014 Active
N67827 3827 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 No Next shown
N67845 3845 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N67846 3846 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N68452 3452 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N68453 3453 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N68801 3801 20F/45E+/114Y Starlink PDE 110 V 2013 NEXT???
N68802 3802 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N68805 3805 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N68807 3807 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N68811 3811 20F/45E+/114Y Starlink AVOD 110/USB 2014 Active
N68817 3817 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 Active
N68821 3821 20F/45E+/114Y Starlink PDE 110 V 2014 Active
N68822 3822 20F/45E+/114Y Starlink PDE 110 V 2014 INT Mod NEXT 9/26 ERS5
N68823 3823 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 Active
N68834 3834 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 MIA Maint?? 9/14/26
N68836 3836 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2014 Active
N68842 3842 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N68843 3843 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N68880 3880 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N68891 3891 20F/45E+/114Y Starlink AVOD 120/USB 2015 Active
N69804 3804 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N69806 3806 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N69810 3810 20F/45E+/114Y Starlink AVOD 110 V 2013 Active
N69813 3813 20F/45E+/114Y Starlink AVOD 110 V 2014 Active
N69816 3816 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 INT Mod Next/SL 8/27/26 ERS 9/26
N69818 3818 20F/45E+/114Y Starlink AVOD 110 V 2014 Active
N69819 3819 20F/45E+/114Y Starlink PDE 110 V 2014 Active
N69824 3824 20F/45E+/114Y Starlink AVOD 110 V 2014 Active
N69826 3826 20F/45E+/114Y Starlink PDE 110 V 2014 Active
N69829 3829 20F/45E+/114Y Starlink PDE 110 V 2014 INT Mod NEXT 8/7 ERS 10/5
N69830 3830 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 Active
N69833 3833 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 MIA Maint?? 8/29/26
N69835 3835 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 Active
N69838 3838 20F/45E+/114Y ViaSat Ka PDE 110 V 2014 SFO Maint 8/25/26
N69839 3839 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2014 Active
N69840 3840 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N69847 3847 20F/45E+/114Y ViaSat Ka PDE 120/USB 2015 RFD Mod Next/SL? 9/26/26 ERS
N69885 3885 20F/45E+/114Y ViaSat Ka AVOD 120/USB 2015 Active
N69888 3888 20F/45E+/114Y ViaSat Ka PDE 110V 2015 Active
N73445 3445 20F/45E+/114Y ViaSat Ka AVOD 110 V 2011 Active
N75425 3425 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2008 Active
N75426 3426 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N75428 3428 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N75429 3429 20F/45E+/114Y Starlink AVOD 110/USB 2008 Active
N75432 3432 20F/45E+/114Y Starlink AVOD 110/USB 2009 Active
N75433 3433 20F/45E+/114Y Starlink AVOD 110/USB 2009 Active
N75435 3435 20F/45E+/114Y Starlink AVOD 110/USB 2009 Active
N75436 3436 20F/45E+/114Y Starlink AVOD 110/USB 2009 Active
N77430 3430 20F/45E+/114Y Starlink AVOD 110/USB 2009 Active
N77431 3431 20F/45E+/114Y Starlink AVOD 110/USB 2009 Active
N78438 3438 20F/45E+/114Y Starlink AVOD 110 V 2009 Active
N78448 3448 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active
N81449 3449 20F/45E+/114Y ViaSat Ka AVOD 110/USB 2012 Active

Frequently Asked Questions

How many Boeing 737-900ER aircraft does United Airlines have?

136 aircraft, delivered between 2008 and 2016 — the largest variant of the 737 Next Generation family.

What is the seat configuration on United's 737-900ER?

179 passengers: 20 First (2-2), 45 Economy Plus, 114 Economy. Nearly all aircraft share this layout.

Does the United 737-900ER have Starlink WiFi?

Increasingly, yes. United's free Starlink WiFi — free for MileagePlus members — had reached 87 of the 136 -900ERs as of 28 Oct 2026; the rest still fly with Viasat Ka-band.

Does the United 737-900ER have seatback screens?

Most do — AVOD seatback screens on the majority of the fleet, with others on personal-device entertainment. United's Signature Interior retrofit is adding HD seatback screens, Bluetooth audio and larger bins to more aircraft.

What is the difference between the 737-900 and 737-900ER?

The ER (Extended Range) adds a flat rear pressure bulkhead and winglets for greater range and efficiency. United has 136 -900ERs versus only 12 base -900s.

What routes does United fly the 737-900ER on?

High-density domestic trunk routes from every major hub, alongside the 737 MAX 9 it flies with.

All United Fleet Types

Explore every aircraft type in United Airlines' mainline fleet.

← Back to Fleet Overview