What type of aircraft is N8544Z?

N8544Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8544Z?

Southwest Airlines (WN) flew N8544Z most recently, according to US Department of Transportation flight records for July 2026.

Where does N8544Z fly?

Its most frequent route in the last 12 months was Phoenix to Dallas (6 flights). It flew 1,699 flights in total, about 142 a month.

N8544Z was built in 2017, so it is 9 years old.

Is N8544Z 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

N8544Z

Boeing 737-800, Southwest Airlines

N8544Z is a Boeing 737-800 flown by Southwest Airlines, built in 2017. From August 2025 to July 2026 it flew 1,699 flights, most often Phoenix to Dallas, and 76% arrived within 15 minutes of schedule.

1,699

flights in 12 months

76%

on time (within 15 min)

airports

9 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 N8544Z flies

Phoenix to DallasPHX to DAL6 flights
Phoenix to Las VegasPHX to LAS5 flights
Las Vegas to DenverLAS to DEN4 flights
St. Louis to PhoenixSTL to PHX4 flights
Nashville to New YorkBNA to LGA4 flights
Las Vegas to IndianapolisLAS to IND3 flights
Manchester NH to BaltimoreMHT to BWI3 flights
Fort Lauderdale to BaltimoreFLL to BWI3 flights
Dallas to St. LouisDAL to STL2 flights
Portland to ChicagoPWM to MDW2 flights

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

Month by month

Share of N8544Z 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	71%	2.3%	133
September 2025	80%	0%	144
October 2025	80%	0%	153
November 2025	75%	1.4%	144
December 2025	89%	0%	157
January 2026	91%	1.4%	139
February 2026	77%	0.7%	139
March 2026	81%	2.3%	173
April 2026	80%	1.3%	156
May 2026	54%	0.9%	110
June 2026	60%	2.2%	135
July 2026	63%	1.7%	116

Questions and answers

What type of aircraft is N8544Z?: N8544Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8544Z?: Southwest Airlines (WN) flew N8544Z most recently, according to US Department of Transportation flight records for July 2026.
Where does N8544Z fly?: Its most frequent route in the last 12 months was Phoenix to Dallas (6 flights). It flew 1,699 flights in total, about 142 a month.
How old is N8544Z?: N8544Z was built in 2017, so it is 9 years old.
Is N8544Z 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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