What type of aircraft is N204SY?

N204SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N204SY?

SkyWest Airlines (OO) flew N204SY most recently, according to US Department of Transportation flight records for July 2026.

Where does N204SY fly?

Its most frequent route in the last 12 months was San Francisco to Santa Ana (13 flights). It flew 1,545 flights in total, about 129 a month.

N204SY was built in 2016, so it is 10 years old.

Is N204SY 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

N204SY

Embraer S A ERJ 170-200 LR, SkyWest Airlines

N204SY is a Embraer S A ERJ 170-200 LR flown by SkyWest Airlines, built in 2016. From August 2025 to July 2026 it flew 1,545 flights, most often San Francisco to Santa Ana, and 79% arrived within 15 minutes of schedule.

1,545

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 N204SY flies

San Francisco to Santa AnaSFO to SNA13 flights
Santa Ana to San FranciscoSNA to SFO13 flights
Houston to Oklahoma CityIAH to OKC11 flights
Denver to Des MoinesDEN to DSM9 flights
Detroit to ChicagoDTW to ORD9 flights
Wichita to ChicagoICT to ORD8 flights
Des Moines to DenverDSM to DEN8 flights
Chicago to DetroitORD to DTW8 flights
Oklahoma City to HoustonOKC to IAH7 flights
Wichita to DenverICT to DEN7 flights

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

Month by month

Share of N204SY 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	88%	0%	142
September 2025	80%	0%	116
October 2025	91%	0%	120
November 2025	83%	3.2%	126
December 2025	72%	0%	126
January 2026	85%	1.6%	128
February 2026	77%	0%	114
March 2026	85%	0.7%	135
April 2026	71%	2.9%	140
May 2026	81%	0.8%	127
June 2026	62%	0.8%	129
July 2026	70%	4.2%	142

Questions and answers

What type of aircraft is N204SY?: N204SY is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N204SY?: SkyWest Airlines (OO) flew N204SY most recently, according to US Department of Transportation flight records for July 2026.
Where does N204SY fly?: Its most frequent route in the last 12 months was San Francisco to Santa Ana (13 flights). It flew 1,545 flights in total, about 129 a month.
How old is N204SY?: N204SY was built in 2016, so it is 10 years old.
Is N204SY 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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