What type of aircraft is N174SY?

N174SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N174SY?

SkyWest Airlines (OO) flew N174SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N174SY fly?

Its most frequent route in the last 12 months was San Francisco to Santa Ana (50 flights). It flew 1,716 flights in total, about 143 a month.

N174SY was built in 2015, so it is 11 years old.

Is N174SY 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

N174SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N174SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2015. From August 2025 to July 2026 it flew 1,716 flights, most often San Francisco to Santa Ana, and 80% arrived within 15 minutes of schedule.

1,716

flights in 12 months

80%

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 N174SY flies

San Francisco to Santa AnaSFO to SNA50 flights
Santa Ana to San FranciscoSNA to SFO43 flights
San Diego to SacramentoSAN to SMF41 flights
Sacramento to San DiegoSMF to SAN35 flights
San Diego to AustinSAN to AUS27 flights
Austin to San DiegoAUS to SAN27 flights
San Francisco to San DiegoSFO to SAN19 flights
Salt Lake City to PortlandSLC to PDX12 flights
Portland to Salt Lake CityPDX to SLC12 flights
San Diego to San FranciscoSAN to SFO9 flights

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

Month by month

Share of N174SY 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	83%	1.2%	169
September 2025	79%	0%	58
October 2025	69%	6.1%	132
November 2025	75%	4.3%	163
December 2025	78%	1.5%	132
January 2026	92%	1.3%	160
February 2026	83%	1.5%	132
March 2026	88%	0.7%	137
April 2026	79%	0%	144
May 2026	75%	2%	149
June 2026	80%	2.9%	172
July 2026	78%	0%	168

Questions and answers

What type of aircraft is N174SY?: N174SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N174SY?: SkyWest Airlines (OO) flew N174SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N174SY fly?: Its most frequent route in the last 12 months was San Francisco to Santa Ana (50 flights). It flew 1,716 flights in total, about 143 a month.
How old is N174SY?: N174SY was built in 2015, so it is 11 years old.
Is N174SY 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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