What type of aircraft is N8556Z?

N8556Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8556Z?

Southwest Airlines (WN) flew N8556Z most recently, according to US Department of Transportation flight records for July 2026.

Where does N8556Z fly?

Its most frequent route in the last 12 months was Denver to Indianapolis (5 flights). It flew 1,738 flights in total, about 145 a month.

N8556Z was built in 2017, so it is 9 years old.

Is N8556Z usually on time?

75% 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

N8556Z

Boeing 737-800, Southwest Airlines

N8556Z is a Boeing 737-800 flown by Southwest Airlines, built in 2017. From August 2025 to July 2026 it flew 1,738 flights, most often Denver to Indianapolis, and 75% arrived within 15 minutes of schedule.

1,738

flights in 12 months

75%

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 N8556Z flies

Denver to IndianapolisDEN to IND5 flights
Las Vegas to DenverLAS to DEN5 flights
Austin to DenverAUS to DEN5 flights
Pittsburgh to OrlandoPIT to MCO5 flights
Denver to HoustonDEN to HOU4 flights
Las Vegas to HoustonLAS to HOU4 flights
Denver to NashvilleDEN to BNA4 flights
Dallas to DenverDAL to DEN4 flights
Oakland to DenverOAK to DEN3 flights
Phoenix to Las VegasPHX to LAS3 flights

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

Month by month

Share of N8556Z 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	75%	0%	156
September 2025	75%	0%	144
October 2025	78%	0%	157
November 2025	83%	2%	151
December 2025	78%	1.3%	154
January 2026	81%	2.6%	153
February 2026	81%	4%	126
March 2026	83%	0%	125
April 2026	64%	2%	149
May 2026	76%	0.9%	106
June 2026	60%	0.6%	158
July 2026	67%	3.8%	159

Questions and answers

What type of aircraft is N8556Z?: N8556Z is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8556Z?: Southwest Airlines (WN) flew N8556Z most recently, according to US Department of Transportation flight records for July 2026.
Where does N8556Z fly?: Its most frequent route in the last 12 months was Denver to Indianapolis (5 flights). It flew 1,738 flights in total, about 145 a month.
How old is N8556Z?: N8556Z was built in 2017, so it is 9 years old.
Is N8556Z usually on time?: 75% 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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