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Who Owns This Plane?

N37420

2008 Boeing 737-924ER

Fixed-wing, multi-engine · serial 33457

Valid registration

Registered with the FAA until Jan 31, 2030.

Registered owner

United Airlines Inc

Owner type: Corporation
Address: Attn: Treasurer - Willis Tower 233 S Wacker Dr, Chicago, IL 60606
Fleet: 1,220 aircraft registered to this owner

Aircraft

Make and model: Boeing 737-924ER
Year built: 2008
Serial number: 33457
Type: Fixed-wing, multi-engine · Land
Engines: 2 × Turbofan · CFM Intl CFM56-7B26 · 26,300 lb thrust
Seats: 191
Weight class: 20,000 lb and over
Certification: Type certificated · Standard airworthiness (issued Apr 3, 2008)
Mode S code: A4455E (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Apr 4, 2008 · last FAA action Nov 3, 2025

Past registrations of N37420

N-numbers are reused. Each line is an earlier registration, ending on the date the FAA canceled it.

Feb 25, 1982 Interstate S-1A · serial 263 Gardner Billie L · Harper, KS

What a Boeing 737 Next Generation looks likePhoto of a Boeing 737 Next Generation, not this aircraft: 4300streetcar, CC BY 4.0, via Wikimedia Commons

Check the official record

This page mirrors the FAA's public registry file dated Oct 30, 2026. The FAA's own N-number inquiry is the official record, with the full owner address and documents.

Where is it now?

The registry doesn't show where an aircraft is flying. Flight trackers do, by tail number or Mode S code A4455E: FlightAware or ADS-B Exchange. Some owners block tracking through the FAA's privacy programs.

Something wrong?

Owners update their registration with the FAA Aircraft Registry; changes appear here the day after the FAA publishes them. Email admin@whoownsthisplane.com about how this site shows a record.