What type of aircraft is N178SY?

N178SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N178SY?

SkyWest Airlines (OO) flew N178SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N178SY fly?

Its most frequent route in the last 12 months was Santa Ana to San Francisco (57 flights). It flew 1,697 flights in total, about 141 a month.

N178SY was built in 2016, so it is 10 years old.

Is N178SY usually on time?

79% 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

N178SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N178SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2016. From August 2025 to July 2026 it flew 1,697 flights, most often Santa Ana to San Francisco, and 79% arrived within 15 minutes of schedule.

1,697

flights in 12 months

79%

on time (within 15 min)

airports

10 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 N178SY flies

Santa Ana to San FranciscoSNA to SFO57 flights
San Francisco to Santa AnaSFO to SNA41 flights
Fresno to San DiegoFAT to SAN19 flights
San Francisco to San DiegoSFO to SAN15 flights
Los Angeles to San FranciscoLAX to SFO15 flights
Bellingham to SeattleBLI to SEA15 flights
Seattle to BellinghamSEA to BLI15 flights
Seattle to PortlandSEA to PDX14 flights
San Diego to FresnoSAN to FAT14 flights
Santa Rosa to Los AngelesSTS to LAX12 flights

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

Month by month

Share of N178SY 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	79%	0%	179
September 2025	73%	0%	156
October 2025	80%	0%	150
November 2025	78%	4%	150
December 2025	78%	4.5%	110
January 2026	88%	5.6%	36
February 2026	86%	0%	101
March 2026	86%	0%	170
April 2026	87%	0.6%	166
May 2026	83%	0%	149
June 2026	78%	1.8%	166
July 2026	64%	3.7%	164

Questions and answers

What type of aircraft is N178SY?: N178SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N178SY?: SkyWest Airlines (OO) flew N178SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N178SY fly?: Its most frequent route in the last 12 months was Santa Ana to San Francisco (57 flights). It flew 1,697 flights in total, about 141 a month.
How old is N178SY?: N178SY was built in 2016, so it is 10 years old.
Is N178SY usually on time?: 79% 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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