What type of aircraft is N251SY?

N251SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N251SY?

SkyWest Airlines (OO) flew N251SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N251SY fly?

Its most frequent route in the last 12 months was Austin to Mcallen (22 flights). It flew 1,801 flights in total, about 150 a month.

N251SY was built in 2016, so it is 10 years old.

Is N251SY usually on time?

87% 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

N251SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N251SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2016. From August 2025 to July 2026 it flew 1,801 flights, most often Austin to Mcallen, and 87% arrived within 15 minutes of schedule.

1,801

flights in 12 months

87%

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 N251SY flies

Austin to McallenAUS to MFE22 flights
Mcallen to AustinMFE to AUS22 flights
Seattle to BoiseSEA to BOI21 flights
Austin to NashvilleAUS to BNA18 flights
Boise to SeattleBOI to SEA18 flights
Nashville to AustinBNA to AUS17 flights
Minot to MinneapolisMOT to MSP16 flights
Los Angeles to SacramentoLAX to SMF13 flights
Minneapolis to MinotMSP to MOT12 flights
Seattle to PortlandSEA to PDX12 flights

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

Month by month

Share of N251SY 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%	1.3%	159
September 2025	88%	0%	137
October 2025	90%	0%	149
November 2025	82%	0%	90
December 2025	84%	0%	145
January 2026	80%	3%	135
February 2026	89%	0.7%	151
March 2026	84%	0%	180
April 2026	94%	0.6%	172
May 2026	90%	0%	172
June 2026	97%	0%	158
July 2026	82%	0.7%	153

Questions and answers

What type of aircraft is N251SY?: N251SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N251SY?: SkyWest Airlines (OO) flew N251SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N251SY fly?: Its most frequent route in the last 12 months was Austin to Mcallen (22 flights). It flew 1,801 flights in total, about 150 a month.
How old is N251SY?: N251SY was built in 2016, so it is 10 years old.
Is N251SY usually on time?: 87% 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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