What type of aircraft is N8671D?

N8671D is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.

Which airline flies N8671D?

Southwest Airlines (WN) flew N8671D most recently, according to US Department of Transportation flight records for July 2026.

Where does N8671D fly?

Its most frequent route in the last 12 months was Boston to Baltimore (7 flights). It flew 1,746 flights in total, about 146 a month.

N8671D was built in 2015, so it is 11 years old.

Is N8671D 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

N8671D

Boeing 737-8H4, Southwest Airlines

N8671D is a Boeing 737-8H4 flown by Southwest Airlines, built in 2015. From August 2025 to July 2026 it flew 1,746 flights, most often Boston to Baltimore, and 76% arrived within 15 minutes of schedule.

1,746

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 N8671D flies

Boston to BaltimoreBOS to BWI7 flights
St. Louis to Las VegasSTL to LAS6 flights
Baltimore to DallasBWI to DAL5 flights
Las Vegas to DenverLAS to DEN5 flights
Phoenix to DenverPHX to DEN4 flights
Orlando to San JuanMCO to SJU4 flights
Houston to PhoenixHOU to PHX4 flights
Los Angeles to PhoenixLAX to PHX3 flights
Denver to Los AngelesDEN to LAX3 flights
Sacramento to San DiegoSMF to SAN3 flights

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

Month by month

Share of N8671D 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%	0.7%	151
September 2025	88%	1.4%	138
October 2025	83%	0%	160
November 2025	79%	1.6%	125
December 2025	80%	0%	131
January 2026	87%	0.7%	136
February 2026	86%	0%	141
March 2026	73%	4.2%	166
April 2026	69%	1.3%	152
May 2026	69%	0.7%	136
June 2026	60%	0%	146
July 2026	66%	2.4%	164

Questions and answers

What type of aircraft is N8671D?: N8671D is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N8671D?: Southwest Airlines (WN) flew N8671D most recently, according to US Department of Transportation flight records for July 2026.
Where does N8671D fly?: Its most frequent route in the last 12 months was Boston to Baltimore (7 flights). It flew 1,746 flights in total, about 146 a month.
How old is N8671D?: N8671D was built in 2015, so it is 11 years old.
Is N8671D 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.

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