What type of aircraft is N404SY?

N404SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N404SY?

SkyWest Airlines (OO) flew N404SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N404SY fly?

Its most frequent route in the last 12 months was Portland to Seattle (35 flights). It flew 1,723 flights in total, about 144 a month.

N404SY was built in 2018, so it is 8 years old.

Is N404SY usually on time?

81% 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 · OO

N404SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N404SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2018. From August 2025 to July 2026 it flew 1,723 flights, most often Portland to Seattle, and 81% arrived within 15 minutes of schedule.

1,723

flights in 12 months

81%

on time (within 15 min)

airports

8 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 N404SY flies

Portland to SeattlePDX to SEA35 flights
Santa Ana to San FranciscoSNA to SFO28 flights
San Francisco to Santa AnaSFO to SNA27 flights
San Diego to San FranciscoSAN to SFO22 flights
Seattle to PortlandSEA to PDX19 flights
Sacramento to San DiegoSMF to SAN18 flights
Seattle to BellinghamSEA to BLI16 flights
Santa Rosa to Los AngelesSTS to LAX15 flights
Bellingham to SeattleBLI to SEA14 flights
San Diego to SacramentoSAN to SMF12 flights

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

Month by month

Share of N404SY 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	75%	0.6%	160
September 2025	80%	0%	169
October 2025	78%	0%	161
November 2025	93%	3.9%	155
December 2025	72%	1.6%	183
January 2026	77%	2.3%	86
February 2026	90%	2.4%	126
March 2026	83%	0%	167
April 2026	85%	0%	142
May 2026	82%	0%	49
June 2026	77%	3.2%	156
July 2026	79%	3%	169

Questions and answers

What type of aircraft is N404SY?: N404SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N404SY?: SkyWest Airlines (OO) flew N404SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N404SY fly?: Its most frequent route in the last 12 months was Portland to Seattle (35 flights). It flew 1,723 flights in total, about 144 a month.
How old is N404SY?: N404SY was built in 2018, so it is 8 years old.
Is N404SY usually on time?: 81% 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 SkyWest Airlines compares with every other US airline.

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