What type of aircraft is N8542Z?

N8542Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8542Z?

Southwest Airlines (WN) flew N8542Z most recently, according to US Department of Transportation flight records for July 2026.

Where does N8542Z fly?

Its most frequent route in the last 12 months was Chicago to Denver (5 flights). It flew 1,577 flights in total, about 131 a month.

N8542Z was built in 2017, so it is 9 years old.

Is N8542Z usually on time?

74% 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

N8542Z

Boeing 737-800, Southwest Airlines

N8542Z is a Boeing 737-800 flown by Southwest Airlines, built in 2017. From August 2025 to July 2026 it flew 1,577 flights, most often Chicago to Denver, and 74% arrived within 15 minutes of schedule.

1,577

flights in 12 months

74%

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 N8542Z flies

Chicago to DenverMDW to DEN5 flights
Nashville to OrlandoBNA to MCO4 flights
Baltimore to Salt Lake CityBWI to SLC3 flights
Las Vegas to NashvilleLAS to BNA3 flights
Denver to LouisvilleDEN to SDF3 flights
Dallas to HoustonDAL to HOU3 flights
San Jose to San DiegoSJC to SAN3 flights
Dallas to Long BeachDAL to LGB2 flights
Phoenix to St. LouisPHX to STL2 flights
San Diego to BaltimoreSAN to BWI2 flights

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

Month by month

Share of N8542Z 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%	2.8%	141
September 2025	81%	0%	144
October 2025	68%	2%	102
November 2025	77%	1.4%	147
December 2025	69%	0%	166
January 2026	87%	1.5%	136
February 2026	76%	4.1%	145
March 2026	67%	1.2%	172
April 2026	76%	0%	148
May 2026	72%	0.7%	153
June 2026	61%	1.9%	52
July 2026	78%	4.2%	71

Questions and answers

What type of aircraft is N8542Z?: N8542Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8542Z?: Southwest Airlines (WN) flew N8542Z most recently, according to US Department of Transportation flight records for July 2026.
Where does N8542Z fly?: Its most frequent route in the last 12 months was Chicago to Denver (5 flights). It flew 1,577 flights in total, about 131 a month.
How old is N8542Z?: N8542Z was built in 2017, so it is 9 years old.
Is N8542Z usually on time?: 74% 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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