What type of aircraft is N8657B?

N8657B is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.

Which airline flies N8657B?

Southwest Airlines (WN) flew N8657B most recently, according to US Department of Transportation flight records for July 2026.

Where does N8657B fly?

Its most frequent route in the last 12 months was Dallas to Las Vegas (6 flights). It flew 1,749 flights in total, about 146 a month.

N8657B was built in 2015, so it is 11 years old.

Is N8657B 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

N8657B

Boeing 737-8H4, Southwest Airlines

N8657B is a Boeing 737-8H4 flown by Southwest Airlines, built in 2015. From August 2025 to July 2026 it flew 1,749 flights, most often Dallas to Las Vegas, and 76% arrived within 15 minutes of schedule.

1,749

flights in 12 months

76%

on time (within 15 min)

airports

11 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 N8657B flies

Dallas to Las VegasDAL to LAS6 flights
Dallas to Los AngelesDAL to LAX5 flights
St. Louis to Las VegasSTL to LAS4 flights
Denver to HoustonDEN to HOU4 flights
Sacramento to Las VegasSMF to LAS4 flights
Las Vegas to SacramentoLAS to SMF4 flights
Orlando to BaltimoreMCO to BWI4 flights
Milwaukee to PhoenixMKE to PHX4 flights
Phoenix to DallasPHX to DAL4 flights
Las Vegas to San JoseLAS to SJC3 flights

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

Month by month

Share of N8657B 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	80%	0%	156
September 2025	80%	0.7%	145
October 2025	83%	1.9%	158
November 2025	79%	0%	140
December 2025	82%	0%	105
January 2026	86%	0.9%	107
February 2026	79%	3.1%	130
March 2026	73%	4.4%	160
April 2026	76%	3.9%	152
May 2026	74%	0%	162
June 2026	59%	0%	165
July 2026	65%	1.8%	169

Questions and answers

What type of aircraft is N8657B?: N8657B is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N8657B?: Southwest Airlines (WN) flew N8657B most recently, according to US Department of Transportation flight records for July 2026.
Where does N8657B fly?: Its most frequent route in the last 12 months was Dallas to Las Vegas (6 flights). It flew 1,749 flights in total, about 146 a month.
How old is N8657B?: N8657B was built in 2015, so it is 11 years old.
Is N8657B 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.

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