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US aircraft · WN

N8646B

Boeing 737-8H4, Southwest Airlines

N8646B is a Boeing 737-8H4 flown by Southwest Airlines, built in 2014. From August 2025 to July 2026 it flew 1,619 flights, most often Jacksonville to Baltimore, and 75% arrived within 15 minutes of schedule.

1,619
flights in 12 months
75%
on time (within 15 min)
13
airports
12 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 N8646B flies

  1. Jacksonville to Baltimore6 flights
  2. Baltimore to Orlando6 flights
  3. Denver to Dallas6 flights
  4. Denver to Portland4 flights
  5. Chicago to Orlando3 flights
  6. Albany to Baltimore3 flights
  7. Orlando to Dallas3 flights
  8. Las Vegas to Phoenix3 flights
  9. Orlando to Austin3 flights
  10. St. Louis to New Orleans3 flights

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

Month by month

Share of N8646B flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.
See the figures
MonthOn timeCancelledFlights
August 202569%2.4%164
September 202585%0%151
October 202574%0%114
November 202567%1%104
December 202570%0%148
January 202685%2.1%143
February 202690%0.7%135
March 202680%0.6%163
April 202680%0.6%172
May 202669%0%62
June 202652%2.2%91
July 202669%4.1%172

Questions and answers

What type of aircraft is N8646B?
N8646B is a Boeing 737-8H4 with 143 seats, according to the FAA aircraft register.
Which airline flies N8646B?
Southwest Airlines (WN) flew N8646B most recently, according to US Department of Transportation flight records for July 2026.
Where does N8646B fly?
Its most frequent route in the last 12 months was Jacksonville to Baltimore (6 flights). It flew 1,619 flights in total, about 135 a month.
How old is N8646B?
N8646B was built in 2014, so it is 12 years old.
Is N8646B usually on time?
75% 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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