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US aircraft · WN

N8557Q

Boeing 737-800, Southwest Airlines

N8557Q is a Boeing 737-800 flown by Southwest Airlines, built in 2017. From August 2025 to July 2026 it flew 1,718 flights, most often Phoenix to Denver, and 75% arrived within 15 minutes of schedule.

1,718
flights in 12 months
75%
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 N8557Q flies

  1. Phoenix to Denver7 flights
  2. San Diego to Las Vegas6 flights
  3. Dallas to Denver5 flights
  4. St. Louis to Denver4 flights
  5. Denver to Kansas City4 flights
  6. Austin to Denver4 flights
  7. Baltimore to Albany4 flights
  8. Las Vegas to Indianapolis3 flights
  9. Houston to Austin3 flights
  10. Denver to Sacramento3 flights

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

Month by month

Share of N8557Q flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.
See the figures
MonthOn timeCancelledFlights
August 202583%0.7%136
September 202574%0%107
October 202580%0%161
November 202574%1.3%151
December 202578%0.7%152
January 202683%2.8%144
February 202679%0%120
March 202674%1.4%145
April 202674%0%163
May 202669%0%140
June 202662%3.7%135
July 202668%1.8%164

Questions and answers

What type of aircraft is N8557Q?
N8557Q is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8557Q?
Southwest Airlines (WN) flew N8557Q most recently, according to US Department of Transportation flight records for July 2026.
Where does N8557Q fly?
Its most frequent route in the last 12 months was Phoenix to Denver (7 flights). It flew 1,718 flights in total, about 143 a month.
How old is N8557Q?
N8557Q was built in 2017, so it is 9 years old.
Is N8557Q 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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