TripStow
US aircraft · WN

N8531Q

Boeing 737-800, Southwest Airlines

N8531Q is a Boeing 737-800 flown by Southwest Airlines, built in 2017. From August 2025 to July 2026 it flew 1,587 flights, most often San Diego to Las Vegas, and 77% arrived within 15 minutes of schedule.

1,587
flights in 12 months
77%
on time (within 15 min)
13
airports
9 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 N8531Q flies

  1. San Diego to Las Vegas5 flights
  2. Chicago to Austin4 flights
  3. Baltimore to Denver3 flights
  4. San Jose to Phoenix3 flights
  5. Las Vegas to Phoenix3 flights
  6. Dallas to Phoenix3 flights
  7. Nashville to St. Louis3 flights
  8. St. Louis to Dallas3 flights
  9. Orlando to Pittsburgh3 flights
  10. Pittsburgh to Orlando3 flights

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

Month by month

Share of N8531Q flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.
See the figures
MonthOn timeCancelledFlights
August 202571%0%79
September 202587%0%143
October 202581%0%153
November 202587%2.6%153
December 202579%1.4%144
January 202682%3%135
February 202682%0%125
March 202676%3.5%171
April 202691%0%11
May 202664%0%129
June 202667%0%166
July 202672%1.1%178

Questions and answers

What type of aircraft is N8531Q?
N8531Q is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8531Q?
Southwest Airlines (WN) flew N8531Q most recently, according to US Department of Transportation flight records for July 2026.
Where does N8531Q fly?
Its most frequent route in the last 12 months was San Diego to Las Vegas (5 flights). It flew 1,587 flights in total, about 132 a month.
How old is N8531Q?
N8531Q was built in 2017, so it is 9 years old.
Is N8531Q usually on time?
77% 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