What type of aircraft is N403SY?

N403SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N403SY?

SkyWest Airlines (OO) flew N403SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N403SY fly?

Its most frequent route in the last 12 months was Santa Ana to San Francisco (72 flights). It flew 1,898 flights in total, about 158 a month.

N403SY was built in 2018, so it is 8 years old.

Is N403SY 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

N403SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N403SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2018. From August 2025 to July 2026 it flew 1,898 flights, most often Santa Ana to San Francisco, and 81% arrived within 15 minutes of schedule.

1,898

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 N403SY flies

Santa Ana to San FranciscoSNA to SFO72 flights
San Francisco to Santa AnaSFO to SNA59 flights
San Diego to San FranciscoSAN to SFO29 flights
San Francisco to San DiegoSFO to SAN24 flights
San Jose to San DiegoSJC to SAN23 flights
San Diego to AustinSAN to AUS19 flights
Austin to San DiegoAUS to SAN19 flights
Fresno to San DiegoFAT to SAN18 flights
Las Vegas to San DiegoLAS to SAN16 flights
San Diego to Las VegasSAN to LAS16 flights

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

Month by month

Share of N403SY 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	88%	0%	160
September 2025	91%	0%	142
October 2025	89%	1.7%	173
November 2025	73%	6.3%	176
December 2025	80%	0.6%	173
January 2026	81%	5.2%	174
February 2026	93%	0%	104
March 2026	80%	1.3%	160
April 2026	84%	1.5%	136
May 2026	68%	0%	165
June 2026	78%	0.6%	162
July 2026	73%	4.6%	173

Questions and answers

What type of aircraft is N403SY?: N403SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N403SY?: SkyWest Airlines (OO) flew N403SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N403SY fly?: Its most frequent route in the last 12 months was Santa Ana to San Francisco (72 flights). It flew 1,898 flights in total, about 158 a month.
How old is N403SY?: N403SY was built in 2018, so it is 8 years old.
Is N403SY 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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