What type of aircraft is N171SY?

N171SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N171SY?

SkyWest Airlines (OO) flew N171SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N171SY fly?

Its most frequent route in the last 12 months was Santa Ana to San Francisco (67 flights). It flew 1,769 flights in total, about 147 a month.

N171SY was built in 2015, so it is 11 years old.

Is N171SY usually on time?

77% 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

N171SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N171SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2015. From August 2025 to July 2026 it flew 1,769 flights, most often Santa Ana to San Francisco, and 77% arrived within 15 minutes of schedule.

1,769

flights in 12 months

77%

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 N171SY flies

Santa Ana to San FranciscoSNA to SFO67 flights
San Francisco to Santa AnaSFO to SNA66 flights
San Francisco to San DiegoSFO to SAN20 flights
San Diego to San FranciscoSAN to SFO17 flights
San Diego to AustinSAN to AUS17 flights
San Diego to SacramentoSAN to SMF17 flights
Sacramento to San DiegoSMF to SAN17 flights
Bellingham to SeattleBLI to SEA16 flights
Palm Springs to San FranciscoPSP to SFO15 flights
Austin to San DiegoAUS to SAN15 flights

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

Month by month

Share of N171SY 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	77%	0.6%	156
September 2025	78%	0.6%	161
October 2025	68%	0%	152
November 2025	75%	8.9%	169
December 2025	70%	9.2%	152
January 2026	74%	1%	103
February 2026	78%	1%	102
March 2026	82%	0%	131
April 2026	90%	0%	128
May 2026	85%	0.6%	179
June 2026	77%	2.4%	166
July 2026	67%	1.8%	170

Questions and answers

What type of aircraft is N171SY?: N171SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N171SY?: SkyWest Airlines (OO) flew N171SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N171SY fly?: Its most frequent route in the last 12 months was Santa Ana to San Francisco (67 flights). It flew 1,769 flights in total, about 147 a month.
How old is N171SY?: N171SY was built in 2015, so it is 11 years old.
Is N171SY usually on time?: 77% 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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