What type of aircraft is N8503A?

N8503A is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.

Which airline flies N8503A?

Southwest Airlines (WN) flew N8503A most recently, according to US Department of Transportation flight records for July 2026.

Where does N8503A fly?

Its most frequent route in the last 12 months was Chicago to New York (6 flights). It flew 1,686 flights in total, about 141 a month.

N8503A was built in 2016, so it is 10 years old.

Is N8503A 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.

US aircraft · WN

N8503A

Boeing 737-800, Southwest Airlines

N8503A is a Boeing 737-800 flown by Southwest Airlines, built in 2016. From August 2025 to July 2026 it flew 1,686 flights, most often Chicago to New York, and 77% arrived within 15 minutes of schedule.

1,686

flights in 12 months

77%

on time (within 15 min)

airports

10 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 N8503A flies

Chicago to New YorkMDW to LGA6 flights
Baltimore to DenverBWI to DEN4 flights
Austin to DenverAUS to DEN4 flights
Denver to OaklandDEN to OAK4 flights
Denver to PhiladelphiaDEN to PHL4 flights
St. Louis to DallasSTL to DAL4 flights
Sacramento to ChicagoSMF to MDW3 flights
Nashville to DallasBNA to DAL3 flights
Las Vegas to OrlandoLAS to MCO3 flights
Pittsburgh to OrlandoPIT to MCO3 flights

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

Month by month

Share of N8503A 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	84%	0%	68
September 2025	79%	0%	107
October 2025	88%	0.6%	156
November 2025	85%	1.3%	149
December 2025	79%	0%	163
January 2026	80%	6%	150
February 2026	80%	0%	133
March 2026	72%	2.5%	160
April 2026	80%	0%	111
May 2026	71%	1.3%	152
June 2026	65%	1.8%	167
July 2026	69%	0.6%	170

Questions and answers

What type of aircraft is N8503A?: N8503A is a Boeing 737-800 with 175 seats, according to the FAA aircraft register.
Which airline flies N8503A?: Southwest Airlines (WN) flew N8503A most recently, according to US Department of Transportation flight records for July 2026.
Where does N8503A fly?: Its most frequent route in the last 12 months was Chicago to New York (6 flights). It flew 1,686 flights in total, about 141 a month.
How old is N8503A?: N8503A was built in 2016, so it is 10 years old.
Is N8503A 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