What type of aircraft is N431WN?

N431WN is a Boeing 737-7H4 with 143 seats, according to the FAA aircraft register.

Which airline flies N431WN?

Southwest Airlines (WN) flew N431WN most recently, according to US Department of Transportation flight records for July 2026.

Where does N431WN fly?

Its most frequent route in the last 12 months was Burbank to Las Vegas (8 flights). It flew 1,932 flights in total, about 161 a month.

N431WN was built in 2002, so it is 24 years old.

Is N431WN 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

N431WN

Boeing 737-7H4, Southwest Airlines

N431WN is a Boeing 737-7H4 flown by Southwest Airlines, built in 2002. From August 2025 to July 2026 it flew 1,932 flights, most often Burbank to Las Vegas, and 79% arrived within 15 minutes of schedule.

1,932

flights in 12 months

79%

on time (within 15 min)

airports

24 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 N431WN flies

Burbank to Las VegasBUR to LAS8 flights
Los Angeles to San JoseLAX to SJC7 flights
Sacramento to BurbankSMF to BUR6 flights
San Jose to Santa AnaSJC to SNA6 flights
San Jose to Las VegasSJC to LAS6 flights
Tampa to BaltimoreTPA to BWI6 flights
Dallas to HoustonDAL to HOU5 flights
Phoenix to Santa AnaPHX to SNA5 flights
Oakland to BurbankOAK to BUR5 flights
Las Vegas to San DiegoLAS to SAN4 flights

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

Month by month

Share of N431WN 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	83%	0.7%	144
September 2025	92%	0%	165
October 2025	71%	0%	174
November 2025	82%	2.6%	156
December 2025	69%	0%	166
January 2026	84%	1.4%	142
February 2026	80%	0%	132
March 2026	68%	1.1%	174
April 2026	87%	0.6%	172
May 2026	86%	0%	159
June 2026	70%	0.6%	175
July 2026	76%	2.3%	173

Questions and answers

What type of aircraft is N431WN?: N431WN is a Boeing 737-7H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N431WN?: Southwest Airlines (WN) flew N431WN most recently, according to US Department of Transportation flight records for July 2026.
Where does N431WN fly?: Its most frequent route in the last 12 months was Burbank to Las Vegas (8 flights). It flew 1,932 flights in total, about 161 a month.
How old is N431WN?: N431WN was built in 2002, so it is 24 years old.
Is N431WN 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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