Airliner

N644UA

1991 Boeing 767-322

Registered 2 NTSB/FAA records
Built
1991
Serial
25094
Class
Airliner
Engines
2 × Pratt & Whitney PW4000 series
Status
Current as of October 2026
Registered owner
United Airlines Inc (Corporation)
Based
Chicago, IL
What's N644UA worth? Track flights
Registration record

N644UA on the FAA register

Type
1991 Boeing 767-322
Serial
25094
Engines
2 × Pratt & Whitney PW4000 series
Registered owner
United Airlines Inc
Chicago, IL
Certificate issued
2015-06-03
Airworthiness date
1991-05-17
Registration expires
2028-06-30
Airworthiness class
Standard · transport
Mode S (hex)
A875DA
Mode S (octal)
52072732
Seats (type)
330
Weight class
20,000 lb and over
Status
Current as of October 2026
Registry history

Timeline

  • 2028-06-30
    Registration expires (renewal due).
  • 2015-06-03
    Certificate of registration issued as N644UA.
  • 2014-11-04
    Incident at Lima.
  • 2010-08-04
    Incident at Chicago, IL; damage: minor.
  • 1991-05-17
    Airworthiness date on the current FAA record (standard category (transport)).
Overview

About N644UA

N644UA is a 1991 Boeing 767-322, serial number 25094. The FAA register lists United Airlines Inc as the registrant in Chicago, Illinois. The current certificate of registration was issued on June 3, 2015 and expires on June 30, 2028.

The FAA aircraft reference file describes the type as an airliner, two Pratt & Whitney PW4000 series engines and 330 seats. Its airworthiness certificate is standard category (transport), dated May 17, 1991.

N644UA has 2 accident/incident records on file (most serious damage: minor); details are below.

Safety record

Accident & incident history

2014-11-04 Incident · Lima NTSB · DCA15WA024
Reported aircraft: Boeing 767 322
2010-08-04 Incident · Chicago, IL Damage: Minor Minor injury NTSB · DCA10IA082
Reported aircraft: Boeing 767-322
Probable cause: the brake fire after landing was caused by hydraulic fluid leaking on to hot brakes.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

Same model

More Boeing 767-322 aircraft

N641UA
1991 Boeing 767-322
N642UA
1991 Boeing 767-322
N643UA
1991 Boeing 767-322
N625HR
1992 Boeing 767-322
N646UA
1992 Boeing 767-322
N647UA
1992 Boeing 767-322
N648UA
1992 Boeing 767-322
N649UA
1992 Boeing 767-322
All 36 Boeing 767-322 registrations →
Same state

Other aircraft registered in Illinois

N644BS
DJI Agras T100
N644JD
1994 Homebuilt F.8L Falco
N644ME
2013 Robinson R44 CLIPPER II Piston Helicopters
N6450H
1946 Piper J-3 Cub
N6456P
1981 Cessna 152
N64572
2026 Airbus A321-271NX
All 8,055 aircraft registered in Illinois →
Similar aircraft

Other airliners on the register

  • N11GW1996 Gulfstream GV
  • N214MD2004 Bombardier Global 5000
  • N708MB2001 Boeing 737-800
  • N6LB2018 Bombardier Global 7500
  • N122161998 Boeing 737-824
  • N360RL1991 Canadair CL-600-2B16
More from Boeing

Boeing models on the register

Own N644UA?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Boeing aircraft for sale· Aircraft registered in Illinois· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.