TripStow
US aircraft · WN

N8674B

Boeing 737-8H4, Southwest Airlines

N8674B is a Boeing 737-8H4 flown by Southwest Airlines, built in 2015. From August 2025 to July 2026 it flew 1,717 flights, most often Phoenix to Chicago, and 73% arrived within 15 minutes of schedule.

1,717
flights in 12 months
73%
on time (within 15 min)
13
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 N8674B flies

  1. Phoenix to Chicago6 flights
  2. Orlando to San Juan6 flights
  3. Chicago to New York5 flights
  4. Denver to St. Louis5 flights
  5. Las Vegas to San Jose4 flights
  6. Baltimore to Orlando4 flights
  7. Denver to Baltimore3 flights
  8. Baltimore to Boston3 flights
  9. Dallas to Baltimore3 flights
  10. Dallas to Colorado Springs3 flights

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

Month by month

Share of N8674B flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.
See the figures
MonthOn timeCancelledFlights
August 202576%0%143
September 202577%0%143
October 202570%0%155
November 202585%3.5%144
December 202574%0%137
January 202686%7.5%80
February 202679%0%130
March 202677%1.3%156
April 202678%0%162
May 202669%0.6%161
June 202657%1.3%153
July 202659%3.3%153

Questions and answers

What type of aircraft is N8674B?
N8674B is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N8674B?
Southwest Airlines (WN) flew N8674B most recently, according to US Department of Transportation flight records for July 2026.
Where does N8674B fly?
Its most frequent route in the last 12 months was Phoenix to Chicago (6 flights). It flew 1,717 flights in total, about 143 a month.
How old is N8674B?
N8674B was built in 2015, so it is 11 years old.
Is N8674B 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.

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