Illustrative image; it may differ from the actual aircraft.

Boeing 737-700 (737-76N)

B737-32670Active

RegistrationUSN7723E

Verified aircraft dataagainst the official civil aviation register

OperatorSouthwest Airlines

3operators

1incidents

0accidents

20logbook years

0photos

Boeing 737-700 (737-76N) built in 2006 in Renton. Operates for Southwest Airlines. Previously flew for airTran Airways and airTran.

NewNearly newYoungMatureAgingOld

Mature · 20 years · ≈ 66,000 flight hours (approx.)

Vuelopedia is a work in progress: it currently holds about 30% of the information we expect to have by the third quarter of 2027. Although we use only official, highly reliable sources, some aircraft data and history may still contain errors or inaccuracies. We work hard to clear every anomaly from the records using specialized verification tools.

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Technical data

ManufacturerBoeing

Engines2× 2 x CFMI CFM56-7B22

PropulsionTurbofan

Seats137 (Y137)

First flight2006

Built inRenton, Washington (EE. UU.)

Country of registrationEstados Unidos

OwnerSouthwest Airlines

MSN32670

Hex / ICAO 24-bitAA733B

VerificationIdentity verified against the official register of FAA (United States) · Oct 8, 2026

The model · Boeing 737

Figures for the 737-800 variant, the most representative of the family

Length39.5 m129 ft

Wingspan35.8 m117 ft

Height12.6 m41 ft

Range5,436 km2,935 NMWith a typical passenger load

Cruise speed834 km/h450 ktMach 0.79

Service ceiling12,500 m41,011 ftIt flies above Everest (1.4 times its height)

Maximum take-off weight79,016 kg174,200 lb

Maximum payload37,603 kg82,900 lbIts 162 passengers with baggage would weigh about 16.2 t; the rest is fuel and cargo

Typical capacity162 passengersUp to 189 in a high-density layout

Endurance6 h 31 minAt cruise speed, non-stop

With its 5,436 km range, from Atlanta it could fly non-stop as far as:

LIMLima5,136 km SEASeattle3,505 km BOGBogota3,389 km LAXLos Angeles3,126 km PTYTocumen2,780 km

Beyond its rangeLHRLondon6,761 km

The type first flew in 1967 (59 years ago) · About 10,200 units built · Production ended in 2019

Figures for the type, not for this particular aircraft: each variant and each configuration changes something. They are shown in both systems used in aviation.

The full story of the Boeing 737 Compare this aircraft

Seating layout

137Economy

137 seats in total

Airports

Where this aircraft has operated, by period · source BTS (EE. UU.)

Flight logbook

Year-by-year activity · source BTS (EE. UU.)

2025

Southwest Airlines · 1,415 flights during the year · base Baltimore (BWI)

Main route of the year: San Diego (SAN) → San Jose (SJC)

2024

Southwest Airlines · 1,779 flights during the year · base Phoenix (PHX)

Main route of the year: Dallas (DAL) → Houston (HOU)

2023

Southwest Airlines · 1,527 flights during the year · base Denver (DEN)

Main route of the year: Las Vegas (LAS) → Santa Ana (SNA)

41 days inactive

2022

Southwest Airlines · 1,615 flights during the year · base Denver (DEN)

Main route of the year: San Jose (SJC) → San Diego (SAN)

2021

Southwest Airlines · 1,049 flights during the year · base Denver (DEN)

Main route of the year: Houston (HOU) → Denver (DEN)

122 days inactive

2020

Southwest Airlines · 1,238 flights during the year · base Phoenix (PHX)

Main route of the year: Houston (HOU) → Dallas (DAL)

2019

Southwest Airlines · 1,818 flights during the year · base Dallas (DAL)

Main route of the year: Dallas (DAL) → Houston (HOU)

30 days inactive

2018

Southwest Airlines · 1,953 flights during the year · base Baltimore (BWI)

Main route of the year: Santa Ana (SNA) → San Jose (SJC)

Aircraft chronology

2006

Built

Assembled by Boeing in Renton, Washington (USA).

Mar 7, 2006

Delivered to The Boeing Company

Delivered to The Boeing Company as N1786B.

Mar 16, 2006

Transferred to airTran Airways

Transferred to airTran Airways.

Mar 17, 2006

Transferred to airTran

Transferred to airTran.

Dec 28, 2014

Transferred to Southwest Airlines

Transferred to Southwest Airlines.

Sep 18, 2025

Incident at Cancun, Other Foreign

On September 18, 2025, the Boeing 737 aircraft (registration N7723E), operated by Southwest Airlines, was involved in an incident at Cancun, Other Foreign (Mexico) due to a total loss of engine power during a rejected take-off. Source: the NTSB (United States).

Source: NTSB

Operators

2006-03-07

The Boeing Company

Registration N1786B

2006-03-16

airTran Airways

Registration N285AT · Lessor: GECAS

2006-03-17

airTran

Registration N285AT

2014-12-28

Southwest Airlines

Registration N7723E

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This page was last updated on October 15, 2026

APA

Vuelopedia. (2026, October 15). Boeing 737-700 (737-76N) · N7723E · Southwest Airlines. Retrieved October 24, 2026, from https://vuelopedia.org/en/aircraft/B737-32670

MLA

“Boeing 737-700 (737-76N) · N7723E · Southwest Airlines.” Vuelopedia, Fundación Poderia, 15 Oct. 2026, vuelopedia.org/en/aircraft/B737-32670. Accessed 24 Oct. 2026.

Chicago

Vuelopedia. “Boeing 737-700 (737-76N) · N7723E · Southwest Airlines.” Fundación Poderia. Last modified October 15, 2026. https://vuelopedia.org/en/aircraft/B737-32670.

Harvard

Vuelopedia (2026) Boeing 737-700 (737-76N) · N7723E · Southwest Airlines. Available at: https://vuelopedia.org/en/aircraft/B737-32670 (Accessed: 24 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_b737_32670,
  author       = {{Vuelopedia}},
  title        = {{Boeing 737-700 (737-76N) · N7723E · Southwest Airlines}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-15},
  url          = {https://vuelopedia.org/en/aircraft/B737-32670},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/B737-32670}},
  urldate      = {2026-10-24},
  note         = {Accessed 2026-10-24}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/B737-32670 |title=Boeing 737-700 (737-76N) · N7723E · Southwest Airlines |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-15 |access-date=2026-10-24 |language=en}}