What type of aircraft is N8579Z?

N8579Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8579Z?

Southwest Airlines (WN) flew N8579Z most recently, according to US Department of Transportation flight records for July 2026.

Where does N8579Z fly?

Its most frequent route in the last 12 months was Denver to Phoenix (7 flights). It flew 1,830 flights in total, about 153 a month.

N8579Z was built in 2018, so it is 8 years old.

Is N8579Z 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

N8579Z

Boeing 737-800, Southwest Airlines

N8579Z is a Boeing 737-800 flown by Southwest Airlines, built in 2018. From August 2025 to July 2026 it flew 1,830 flights, most often Denver to Phoenix, and 79% arrived within 15 minutes of schedule.

1,830

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 N8579Z flies

Denver to PhoenixDEN to PHX7 flights
Baltimore to OrlandoBWI to MCO6 flights
Las Vegas to PhoenixLAS to PHX5 flights
Las Vegas to DallasLAS to DAL5 flights
Las Vegas to SacramentoLAS to SMF4 flights
Minneapolis to DenverMSP to DEN4 flights
Tampa to BaltimoreTPA to BWI4 flights
Houston to ChicagoHOU to MDW4 flights
Dallas to PhoenixDAL to PHX4 flights
Dallas to ChicagoDAL to MDW4 flights

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

Month by month

Share of N8579Z 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	82%	1.4%	138
September 2025	81%	1.5%	137
October 2025	85%	0.6%	158
November 2025	80%	0%	156
December 2025	76%	0%	152
January 2026	81%	0%	150
February 2026	89%	0.8%	133
March 2026	79%	1.9%	162
April 2026	82%	0%	154
May 2026	78%	0%	171
June 2026	69%	0.6%	166
July 2026	62%	1.3%	153

Questions and answers

What type of aircraft is N8579Z?: N8579Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8579Z?: Southwest Airlines (WN) flew N8579Z most recently, according to US Department of Transportation flight records for July 2026.
Where does N8579Z fly?: Its most frequent route in the last 12 months was Denver to Phoenix (7 flights). It flew 1,830 flights in total, about 153 a month.
How old is N8579Z?: N8579Z was built in 2018, so it is 8 years old.
Is N8579Z 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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