TripStow
US aircraft · WN

N8688J

Boeing 737-8H4, Southwest Airlines

N8688J is a Boeing 737-8H4 flown by Southwest Airlines, built in 2016. From August 2025 to July 2026 it flew 1,780 flights, most often Dallas to Phoenix, and 78% arrived within 15 minutes of schedule.

1,780
flights in 12 months
78%
on time (within 15 min)
10
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 N8688J flies

  1. Dallas to Phoenix6 flights
  2. Los Angeles to Denver5 flights
  3. Chicago to Denver5 flights
  4. St. Louis to Phoenix5 flights
  5. Dallas to New Orleans4 flights
  6. Denver to Houston4 flights
  7. Denver to St. Louis4 flights
  8. Dallas to Denver4 flights
  9. Las Vegas to Dallas4 flights
  10. Las Vegas to Nashville3 flights

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

Month by month

Share of N8688J flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.
See the figures
MonthOn timeCancelledFlights
August 202575%0%146
September 202588%1.4%144
October 202577%0.6%154
November 202579%2.7%147
December 202581%1.3%156
January 202688%1.4%138
February 202674%0%143
March 202680%0%160
April 202676%0%152
May 202680%0.6%158
June 202665%0%172
July 202674%0.9%110

Questions and answers

What type of aircraft is N8688J?
N8688J is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N8688J?
Southwest Airlines (WN) flew N8688J most recently, according to US Department of Transportation flight records for July 2026.
Where does N8688J fly?
Its most frequent route in the last 12 months was Dallas to Phoenix (6 flights). It flew 1,780 flights in total, about 148 a month.
How old is N8688J?
N8688J was built in 2016, so it is 10 years old.
Is N8688J usually on time?
78% 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