What type of aircraft is N478AS?

N478AS is a Boeing 737-990ER with 222 seats, according to the FAA aircraft register.

Which airline flies N478AS?

Alaska Airlines (AS) flew N478AS most recently, according to US Department of Transportation flight records for July 2026.

Where does N478AS fly?

Its most frequent route in the last 12 months was Honolulu to Kahului (136 flights). It flew 1,953 flights in total, about 163 a month.

N478AS was built in 2015, so it is 11 years old.

Is N478AS 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 · AS

N478AS

Boeing 737-990ER, Alaska Airlines

N478AS is a Boeing 737-990ER flown by Alaska Airlines, built in 2015. From August 2025 to July 2026 it flew 1,953 flights, most often Honolulu to Kahului, and 78% arrived within 15 minutes of schedule.

1,953

flights in 12 months

78%

on time (within 15 min)

airports

11 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 N478AS flies

Honolulu to KahuluiHNL to OGG136 flights
Kahului to HonoluluOGG to HNL130 flights
Honolulu to LihueHNL to LIH93 flights
Hilo to HonoluluITO to HNL89 flights
Lihue to HonoluluLIH to HNL86 flights
Honolulu to HiloHNL to ITO84 flights
Kona to HonoluluKOA to HNL81 flights
Honolulu to KonaHNL to KOA73 flights
Seattle to San FranciscoSEA to SFO12 flights
Seattle to San DiegoSEA to SAN10 flights

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

Month by month

Share of N478AS 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	69%	0%	87
September 2025	85%	0%	107
October 2025	87%	2.3%	88
November 2025	68%	0%	81
December 2025	72%	7.5%	80
January 2026	82%	0.8%	358
February 2026	77%	0.7%	300
March 2026	78%	0.4%	282
April 2026	84%	0%	245
May 2026	74%	1.1%	94
June 2026	73%	0%	111
July 2026	74%	0.8%	120

Questions and answers

What type of aircraft is N478AS?: N478AS is a Boeing 737-990ER with 222 seats, according to the FAA aircraft register.
Which airline flies N478AS?: Alaska Airlines (AS) flew N478AS most recently, according to US Department of Transportation flight records for July 2026.
Where does N478AS fly?: Its most frequent route in the last 12 months was Honolulu to Kahului (136 flights). It flew 1,953 flights in total, about 163 a month.
How old is N478AS?: N478AS was built in 2015, so it is 11 years old.
Is N478AS 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 Alaska Airlines compares with every other US airline.

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