TripStow
US aircraft · WN

N8903H

Boeing 737-8, Southwest Airlines

N8903H is a Boeing 737-8 flown by Southwest Airlines, built in 2023. From August 2025 to July 2026 it flew 1,823 flights, most often Houston to Denver, and 73% arrived within 15 minutes of schedule.

1,823
flights in 12 months
73%
on time (within 15 min)
15
airports
3 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 N8903H flies

  1. Houston to Denver8 flights
  2. Phoenix to Dallas6 flights
  3. Chicago to Minneapolis5 flights
  4. San Diego to Sacramento5 flights
  5. Atlanta to Dallas4 flights
  6. San Diego to Las Vegas4 flights
  7. Los Angeles to Denver4 flights
  8. Las Vegas to Nashville4 flights
  9. Orlando to Indianapolis4 flights
  10. Oakland to Las Vegas4 flights

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

Month by month

Share of N8903H flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.
See the figures
MonthOn timeCancelledFlights
August 202582%1.2%164
September 202581%0%137
October 202576%0%157
November 202583%2.2%134
December 202565%1.3%155
January 202676%0%152
February 202671%1.4%140
March 202665%0%159
April 202674%0.6%167
May 202675%1.3%155
June 202667%1.9%155
July 202667%2.7%148

Questions and answers

What type of aircraft is N8903H?
N8903H is a Boeing 737-8 with 175 seats, according to the FAA aircraft register.
Which airline flies N8903H?
Southwest Airlines (WN) flew N8903H most recently, according to US Department of Transportation flight records for July 2026.
Where does N8903H fly?
Its most frequent route in the last 12 months was Houston to Denver (8 flights). It flew 1,823 flights in total, about 152 a month.
How old is N8903H?
N8903H was built in 2023, so it is 3 years old.
Is N8903H 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