What type of aircraft is N451WN?

N451WN is a Boeing 737-7H4 with 143 seats, according to the FAA aircraft register.

Which airline flies N451WN?

Southwest Airlines (WN) flew N451WN most recently, according to US Department of Transportation flight records for July 2026.

Where does N451WN fly?

Its most frequent route in the last 12 months was Burbank to Oakland (7 flights). It flew 1,765 flights in total, about 147 a month.

N451WN was built in 2004, so it is 22 years old.

Is N451WN usually on time?

78% 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

N451WN

Boeing 737-7H4, Southwest Airlines

N451WN is a Boeing 737-7H4 flown by Southwest Airlines, built in 2004. From August 2025 to July 2026 it flew 1,765 flights, most often Burbank to Oakland, and 78% arrived within 15 minutes of schedule.

1,765

flights in 12 months

78%

on time (within 15 min)

airports

22 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 N451WN flies

Burbank to OaklandBUR to OAK7 flights
Santa Ana to San JoseSNA to SJC7 flights
Phoenix to BurbankPHX to BUR6 flights
San Diego to PhoenixSAN to PHX6 flights
San Diego to San JoseSAN to SJC5 flights
Albuquerque to Las VegasABQ to LAS5 flights
Oakland to Santa AnaOAK to SNA5 flights
Houston to DallasHOU to DAL4 flights
Boston to BaltimoreBOS to BWI4 flights
Harlingen to AustinHRL to AUS4 flights

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

Month by month

Share of N451WN 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	87%	0%	142
September 2025	85%	0%	148
October 2025	70%	0%	79
November 2025	81%	1.9%	103
December 2025	77%	2.4%	168
January 2026	86%	6%	133
February 2026	80%	3.5%	141
March 2026	73%	1.1%	174
April 2026	84%	0%	164
May 2026	74%	1.8%	170
June 2026	66%	1.2%	171
July 2026	73%	1.2%	172

Questions and answers

What type of aircraft is N451WN?: N451WN is a Boeing 737-7H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N451WN?: Southwest Airlines (WN) flew N451WN most recently, according to US Department of Transportation flight records for July 2026.
Where does N451WN fly?: Its most frequent route in the last 12 months was Burbank to Oakland (7 flights). It flew 1,765 flights in total, about 147 a month.
How old is N451WN?: N451WN was built in 2004, so it is 22 years old.
Is N451WN usually on time?: 78% 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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