What type of aircraft is N8551Q?

N8551Q is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8551Q?

Southwest Airlines (WN) flew N8551Q most recently, according to US Department of Transportation flight records for July 2026.

Where does N8551Q fly?

Its most frequent route in the last 12 months was Las Vegas to Chicago (5 flights). It flew 1,809 flights in total, about 151 a month.

N8551Q was built in 2017, so it is 9 years old.

Is N8551Q usually on time?

76% 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.

US aircraft · WN

N8551Q

Boeing 737-800, Southwest Airlines

N8551Q is a Boeing 737-800 flown by Southwest Airlines, built in 2017. From August 2025 to July 2026 it flew 1,809 flights, most often Las Vegas to Chicago, and 76% arrived within 15 minutes of schedule.

1,809

flights in 12 months

76%

on time (within 15 min)

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 N8551Q flies

Las Vegas to ChicagoLAS to MDW5 flights
San Diego to San JoseSAN to SJC5 flights
Denver to St. LouisDEN to STL4 flights
Denver to MilwaukeeDEN to MKE4 flights
Houston to DenverHOU to DEN4 flights
Dallas to HoustonDAL to HOU4 flights
St. Louis to TampaSTL to TPA4 flights
San Diego to DenverSAN to DEN4 flights
Chicago to NashvilleMDW to BNA3 flights
Dallas to El PasoDAL to ELP3 flights

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

Month by month

Share of N8551Q flights arriving within 15 minutes of schedule, by month. Green is the best month, orange the worst.

See the figures

Month	On time	Cancelled	Flights
August 2025	81%	1.3%	159
September 2025	78%	0%	144
October 2025	77%	1.2%	166
November 2025	82%	1.6%	127
December 2025	85%	0%	150
January 2026	86%	1.4%	148
February 2026	91%	2.1%	143
March 2026	68%	3.4%	149
April 2026	80%	0%	146
May 2026	64%	0%	154
June 2026	56%	0%	160
July 2026	70%	2.5%	163

Questions and answers

What type of aircraft is N8551Q?: N8551Q is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8551Q?: Southwest Airlines (WN) flew N8551Q most recently, according to US Department of Transportation flight records for July 2026.
Where does N8551Q fly?: Its most frequent route in the last 12 months was Las Vegas to Chicago (5 flights). It flew 1,809 flights in total, about 151 a month.
How old is N8551Q?: N8551Q was built in 2017, so it is 9 years old.
Is N8551Q usually on time?: 76% 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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