What type of aircraft is N8612K?

N8612K is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.

Which airline flies N8612K?

Southwest Airlines (WN) flew N8612K most recently, according to US Department of Transportation flight records for July 2026.

Where does N8612K fly?

Its most frequent route in the last 12 months was San Diego to Phoenix (6 flights). It flew 1,763 flights in total, about 147 a month.

N8612K was built in 2013, so it is 13 years old.

Is N8612K usually on time?

73% 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

N8612K

Boeing 737-8H4, Southwest Airlines

N8612K is a Boeing 737-8H4 flown by Southwest Airlines, built in 2013. From August 2025 to July 2026 it flew 1,763 flights, most often San Diego to Phoenix, and 73% arrived within 15 minutes of schedule.

1,763

flights in 12 months

73%

on time (within 15 min)

airports

13 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 N8612K flies

San Diego to PhoenixSAN to PHX6 flights
Phoenix to DenverPHX to DEN5 flights
Phoenix to DallasPHX to DAL4 flights
Phoenix to Kansas CityPHX to MCI4 flights
Orlando to HoustonMCO to HOU4 flights
Orlando to San JuanMCO to SJU4 flights
Las Vegas to Salt Lake CityLAS to SLC3 flights
Chicago to PhoenixMDW to PHX3 flights
Phoenix to San DiegoPHX to SAN3 flights
Sacramento to Las VegasSMF to LAS3 flights

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

Month by month

Share of N8612K 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	69%	1.3%	149
September 2025	83%	0%	143
October 2025	73%	0%	164
November 2025	80%	1.4%	138
December 2025	71%	0.6%	158
January 2026	83%	1.5%	135
February 2026	69%	1.7%	117
March 2026	61%	1.7%	121
April 2026	80%	0.7%	151
May 2026	79%	1.3%	150
June 2026	52%	2.3%	172
July 2026	71%	3.6%	165

Questions and answers

What type of aircraft is N8612K?: N8612K is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N8612K?: Southwest Airlines (WN) flew N8612K most recently, according to US Department of Transportation flight records for July 2026.
Where does N8612K fly?: Its most frequent route in the last 12 months was San Diego to Phoenix (6 flights). It flew 1,763 flights in total, about 147 a month.
How old is N8612K?: N8612K was built in 2013, so it is 13 years old.
Is N8612K usually on time?: 73% 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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