What type of aircraft is N8573Z?

N8573Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8573Z?

Southwest Airlines (WN) flew N8573Z most recently, according to US Department of Transportation flight records for July 2026.

Where does N8573Z fly?

Its most frequent route in the last 12 months was Dallas to Orlando (7 flights). It flew 1,777 flights in total, about 148 a month.

N8573Z was built in 2018, so it is 8 years old.

Is N8573Z usually on time?

76% 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

N8573Z

Boeing 737-800, Southwest Airlines

N8573Z is a Boeing 737-800 flown by Southwest Airlines, built in 2018. From August 2025 to July 2026 it flew 1,777 flights, most often Dallas to Orlando, and 76% arrived within 15 minutes of schedule.

1,777

flights in 12 months

76%

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 N8573Z flies

Dallas to OrlandoDAL to MCO7 flights
Dallas to PhoenixDAL to PHX6 flights
Cleveland to BaltimoreCLE to BWI5 flights
Atlanta to DallasATL to DAL4 flights
Denver to Kansas CityDEN to MCI4 flights
Las Vegas to SacramentoLAS to SMF4 flights
Baltimore to ChicagoBWI to MDW4 flights
Baltimore to OrlandoBWI to MCO4 flights
Tampa to DenverTPA to DEN4 flights
Chicago to DenverMDW to DEN3 flights

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

Month by month

Share of N8573Z 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	67%	1.8%	114
September 2025	88%	0%	140
October 2025	80%	0.7%	143
November 2025	76%	4.8%	124
December 2025	71%	0.7%	146
January 2026	90%	2.8%	142
February 2026	78%	0.7%	142
March 2026	78%	2.4%	166
April 2026	76%	0%	167
May 2026	70%	0%	162
June 2026	72%	1.8%	165
July 2026	67%	2.4%	166

Questions and answers

What type of aircraft is N8573Z?: N8573Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8573Z?: Southwest Airlines (WN) flew N8573Z most recently, according to US Department of Transportation flight records for July 2026.
Where does N8573Z fly?: Its most frequent route in the last 12 months was Dallas to Orlando (7 flights). It flew 1,777 flights in total, about 148 a month.
How old is N8573Z?: N8573Z was built in 2018, so it is 8 years old.
Is N8573Z usually on time?: 76% 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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