What type of aircraft is N1803U?

N1803U is a Boeing 737-8 with 175 seats, according to the FAA aircraft register.

Which airline flies N1803U?

Southwest Airlines (WN) flew N1803U most recently, according to US Department of Transportation flight records for July 2026.

Where does N1803U fly?

Its most frequent route in the last 12 months was Hilo to Honolulu (23 flights). It flew 1,633 flights in total, about 136 a month.

N1803U was built in 2022, so it is 4 years old.

Is N1803U usually on time?

78% 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

N1803U

Boeing 737-8, Southwest Airlines

N1803U is a Boeing 737-8 flown by Southwest Airlines, built in 2022. From August 2025 to July 2026 it flew 1,633 flights, most often Hilo to Honolulu, and 78% arrived within 15 minutes of schedule.

1,633

flights in 12 months

78%

on time (within 15 min)

airports

4 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 N1803U flies

Hilo to HonoluluITO to HNL23 flights
Honolulu to HiloHNL to ITO22 flights
Honolulu to KahuluiHNL to OGG22 flights
Kahului to HonoluluOGG to HNL20 flights
Honolulu to KonaHNL to KOA11 flights
Kona to HonoluluKOA to HNL11 flights
Honolulu to LihueHNL to LIH6 flights
San Diego to AustinSAN to AUS5 flights
Dallas to HoustonDAL to HOU4 flights
Denver to San DiegoDEN to SAN4 flights

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

Month by month

Share of N1803U 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	83%	0%	109
September 2025	88%	0%	138
October 2025	85%	0%	132
November 2025	84%	2.2%	135
December 2025	80%	0%	152
January 2026	94%	1.6%	128
February 2026	85%	0%	114
March 2026	81%	0%	100
April 2026	88%	0%	145
May 2026	65%	0.6%	165
June 2026	54%	0%	145
July 2026	58%	2.4%	170

Questions and answers

What type of aircraft is N1803U?: N1803U is a Boeing 737-8 with 175 seats, according to the FAA aircraft register.
Which airline flies N1803U?: Southwest Airlines (WN) flew N1803U most recently, according to US Department of Transportation flight records for July 2026.
Where does N1803U fly?: Its most frequent route in the last 12 months was Hilo to Honolulu (23 flights). It flew 1,633 flights in total, about 136 a month.
How old is N1803U?: N1803U was built in 2022, so it is 4 years old.
Is N1803U usually on time?: 78% 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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