Illustrative image; it may differ from the actual aircraft.

Boeing 737-700 (737-752)

OS-aa9ef9Unknown

RegistrationUSN7837A

OperatorSouthwest Airlines

1operators

1incidents

0accidents

6logbook years

0photos

Boeing 737-700 (737-752) built in 2003 in Renton. Has operated for Cessna Aircraft.

NewNearly newYoungMatureAgingOld

Aging · 23 years · ≈ 75,900 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.

Recent flights

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Technical data

ManufacturerBoeing

Engines2× CFM INTL CFM56-7B24

PropulsionJet

Seats137 (Y137)

First flight2003

Built inRenton, Washington (EE. UU.)

Country of registrationEstados Unidos

OwnerUmb Bank Na Trustee

MSNOS-aa9ef9

Hex / ICAO 24-bitaa9ef9

VerificationPending check against the official civil register

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 Chicago it could fly non-stop as far as:

BOGBogota4,339 km PTYTocumen3,729 km LAXLos Angeles2,812 km SEASeattle2,782 km MEXMexico City2,705 km

Beyond its rangeLIMLima6,082 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.)

2016–2021Southwest Airlines · 6 years

Main base

MDWChicago3 years LASLas Vegas DENDenver DALDallas

Also flew to

HOUHouston SANSan Diego PHXPhoenix SNASanta Ana SMFSacramento

Flight logbook

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

2021

Southwest Airlines · 1,261 flights during the year · base Dallas (DAL)

Main route of the year: Santa Ana (SNA) → Sacramento (SMF)

2020

Southwest Airlines · 964 flights during the year · base Denver (DEN)

Main route of the year: San Diego (SAN) → Phoenix (PHX)

131 days inactive

2019

Southwest Airlines · 1,822 flights during the year · base Las Vegas (LAS)

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

51 days inactive

2018

Southwest Airlines · 1,961 flights during the year · base Chicago (MDW)

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

2017

Southwest Airlines · 2,078 flights during the year · base Chicago (MDW)

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

2016

Southwest Airlines · 1,662 flights during the year · base Chicago (MDW)

Main route of the year: Las Vegas (LAS) → San Diego (SAN)

No reliable logbook records exist for this aircraft before 2016.

Aircraft chronology

2003

Built

Assembled by Boeing in Renton, Washington (USA).

Jan 26, 2023

Incident at B737 at New Haven

On January 26, 2023, the aircraft (registration N7837A), operated by Avelo Airlines, was involved in an incident at B737 at New Haven. Source: Avelo Airlines.

Source: Avelo Airlines

Operators

—

Cessna Aircraft

Registration N7837A · Lessor: Cessna Aircraft

Memories coming soon

The register of memories is not open on this aircraft yet. We are enabling it gradually, record by record, as we consolidate each aircraft's information.

Before opening it we check the aircraft identity — its registration, its serial number and its model — against the civil register of the authority that registered it, so that every memory belongs to the exact aircraft that lived it. When that work reaches this record, the register will open here.

Current position of the aircraft

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Real-time position via adsb.lol (ODbL license). There is a signal only while the aircraft is airborne and within coverage.

Cite

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This page was last updated on October 11, 2026

APA

Vuelopedia. (2026, October 11). Boeing 737-700 (737-752) · N7837A · Southwest Airlines. Retrieved October 28, 2026, from https://vuelopedia.org/en/aircraft/OS-aa9ef9

MLA

“Boeing 737-700 (737-752) · N7837A · Southwest Airlines.” Vuelopedia, Fundación Poderia, 11 Oct. 2026, vuelopedia.org/en/aircraft/OS-aa9ef9. Accessed 28 Oct. 2026.

Chicago

Vuelopedia. “Boeing 737-700 (737-752) · N7837A · Southwest Airlines.” Fundación Poderia. Last modified October 11, 2026. https://vuelopedia.org/en/aircraft/OS-aa9ef9.

Harvard

Vuelopedia (2026) Boeing 737-700 (737-752) · N7837A · Southwest Airlines. Available at: https://vuelopedia.org/en/aircraft/OS-aa9ef9 (Accessed: 28 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_os_aa9ef9,
  author       = {{Vuelopedia}},
  title        = {{Boeing 737-700 (737-752) · N7837A · Southwest Airlines}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-11},
  url          = {https://vuelopedia.org/en/aircraft/OS-aa9ef9},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/OS-aa9ef9}},
  urldate      = {2026-10-28},
  note         = {Accessed 2026-10-28}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/OS-aa9ef9 |title=Boeing 737-700 (737-752) · N7837A · Southwest Airlines |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-11 |access-date=2026-10-28 |language=en}}