What type of aircraft is N8731J?

N8731J is a Boeing 737-8 with 175 seats, according to the FAA aircraft register.

Which airline flies N8731J?

Southwest Airlines (WN) flew N8731J most recently, according to US Department of Transportation flight records for July 2026.

Where does N8731J fly?

Its most frequent route in the last 12 months was Kahului to Honolulu (36 flights). It flew 1,540 flights in total, about 128 a month.

N8731J was built in 2018, so it is 8 years old.

Is N8731J usually on time?

79% of its flights from August 2025 to July 2026 arrived within 15 minutes of schedule. Punctuality depends far more on the route and the airline's day than on the aircraft itself.

US aircraft · WN

N8731J

Boeing 737-8, Southwest Airlines

N8731J is a Boeing 737-8 flown by Southwest Airlines, built in 2018. From August 2025 to July 2026 it flew 1,540 flights, most often Kahului to Honolulu, and 79% arrived within 15 minutes of schedule.

1,540

flights in 12 months

79%

on time (within 15 min)

airports

8 yr

age

August 2025 to July 2026. Flights from US Bureau of Transportation Statistics on-time records (public domain); aircraft details from the FAA aircraft register.

Where N8731J flies

Kahului to HonoluluOGG to HNL36 flights
Honolulu to KahuluiHNL to OGG36 flights
Honolulu to HiloHNL to ITO16 flights
Hilo to HonoluluITO to HNL16 flights
Lihue to HonoluluLIH to HNL16 flights
Honolulu to Las VegasHNL to LAS14 flights
Honolulu to LihueHNL to LIH12 flights
Honolulu to KonaHNL to KOA12 flights
Kona to HonoluluKOA to HNL10 flights
Baltimore to OrlandoBWI to MCO6 flights

Its most frequent routes over the period. Each links to that route's punctuality page.

Month by month

Share of N8731J flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.

See the figures

Month	On time	Cancelled	Flights
August 2025	78%	1.7%	115
September 2025	79%	0%	150
October 2025	85%	3.5%	144
November 2025	83%	0.8%	130
December 2025	83%	1.5%	130
January 2026	78%	0.8%	120
February 2026	84%	0%	87
March 2026	74%	2.3%	131
April 2026	74%	0.8%	127
May 2026	81%	1.6%	127
June 2026	68%	1.6%	125
July 2026	84%	1.9%	154

Questions and answers

What type of aircraft is N8731J?: N8731J is a Boeing 737-8 with 175 seats, according to the FAA aircraft register.
Which airline flies N8731J?: Southwest Airlines (WN) flew N8731J most recently, according to US Department of Transportation flight records for July 2026.
Where does N8731J fly?: Its most frequent route in the last 12 months was Kahului to Honolulu (36 flights). It flew 1,540 flights in total, about 128 a month.
How old is N8731J?: N8731J was built in 2018, so it is 8 years old.
Is N8731J usually on time?: 79% of its flights from August 2025 to July 2026 arrived within 15 minutes of schedule. Punctuality depends far more on the route and the airline's day than on the aircraft itself.

See how Southwest Airlines compares with every other US airline.

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