What type of aircraft is N8512U?

N8512U is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8512U?

Southwest Airlines (WN) flew N8512U most recently, according to US Department of Transportation flight records for July 2026.

Where does N8512U fly?

Its most frequent route in the last 12 months was Phoenix to Chicago (8 flights). It flew 1,700 flights in total, about 142 a month.

N8512U was built in 2016, so it is 10 years old.

Is N8512U usually on time?

77% 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

N8512U

Boeing 737-800, Southwest Airlines

N8512U is a Boeing 737-800 flown by Southwest Airlines, built in 2016. From August 2025 to July 2026 it flew 1,700 flights, most often Phoenix to Chicago, and 77% arrived within 15 minutes of schedule.

1,700

flights in 12 months

77%

on time (within 15 min)

airports

10 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 N8512U flies

Phoenix to ChicagoPHX to MDW8 flights
Orlando to ChicagoMCO to MDW6 flights
Chicago to HoustonMDW to HOU5 flights
Chicago to New YorkMDW to LGA5 flights
New York to DallasLGA to DAL4 flights
Boston to NashvilleBOS to BNA4 flights
Nashville to ChicagoBNA to MDW4 flights
Phoenix to AustinPHX to AUS4 flights
Orlando to St. LouisMCO to STL3 flights
Denver to Las VegasDEN to LAS3 flights

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

Month by month

Share of N8512U 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	78%	0%	156
September 2025	85%	0%	151
October 2025	79%	0.6%	158
November 2025	83%	3.1%	130
December 2025	73%	0%	94
January 2026	78%	0%	144
February 2026	86%	3%	135
March 2026	80%	1.2%	164
April 2026	82%	0%	154
May 2026	67%	1.3%	149
June 2026	67%	0%	119
July 2026	65%	1.4%	146

Questions and answers

What type of aircraft is N8512U?: N8512U is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8512U?: Southwest Airlines (WN) flew N8512U most recently, according to US Department of Transportation flight records for July 2026.
Where does N8512U fly?: Its most frequent route in the last 12 months was Phoenix to Chicago (8 flights). It flew 1,700 flights in total, about 142 a month.
How old is N8512U?: N8512U was built in 2016, so it is 10 years old.
Is N8512U usually on time?: 77% 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.

Been on this plane?

TripStow keeps a log of every flight you take, with the exact aircraft, and builds your Hangar: every plane you have flown on, with its age and photo. Forward a booking or import your flight history to start.

Start free