What type of aircraft is N405SY?

N405SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N405SY?

SkyWest Airlines (OO) flew N405SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N405SY fly?

Its most frequent route in the last 12 months was San Francisco to Santa Ana (61 flights). It flew 1,779 flights in total, about 148 a month.

N405SY was built in 2018, so it is 8 years old.

Is N405SY usually on time?

80% 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

N405SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N405SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2018. From August 2025 to July 2026 it flew 1,779 flights, most often San Francisco to Santa Ana, and 80% arrived within 15 minutes of schedule.

1,779

flights in 12 months

80%

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 N405SY flies

San Francisco to Santa AnaSFO to SNA61 flights
Santa Ana to San FranciscoSNA to SFO58 flights
San Diego to San FranciscoSAN to SFO36 flights
San Francisco to San DiegoSFO to SAN30 flights
San Diego to SacramentoSAN to SMF26 flights
Sacramento to San DiegoSMF to SAN22 flights
San Jose to San DiegoSJC to SAN17 flights
Austin to San DiegoAUS to SAN15 flights
San Diego to AustinSAN to AUS13 flights
Seattle to EugeneSEA to EUG12 flights

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

Month by month

Share of N405SY 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	85%	0%	187
September 2025	84%	1.7%	176
October 2025	81%	1.3%	155
November 2025	79%	3.2%	155
December 2025	77%	7.5%	161
January 2026	86%	3.7%	107
February 2026	82%	0%	148
March 2026	82%	1.2%	161
April 2026	83%	1.3%	160
May 2026	75%	0.6%	174
June 2026	56%	0.9%	106
July 2026	75%	0%	89

Questions and answers

What type of aircraft is N405SY?: N405SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N405SY?: SkyWest Airlines (OO) flew N405SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N405SY fly?: Its most frequent route in the last 12 months was San Francisco to Santa Ana (61 flights). It flew 1,779 flights in total, about 148 a month.
How old is N405SY?: N405SY was built in 2018, so it is 8 years old.
Is N405SY usually on time?: 80% 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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