What type of aircraft is N439YX?

N439YX is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.

Which airline flies N439YX?

Republic Airways (YX) flew N439YX most recently, according to US Department of Transportation flight records for July 2026.

Where does N439YX fly?

Its most frequent route in the last 12 months was New York to Washington (32 flights). It flew 1,761 flights in total, about 147 a month.

N439YX was built in 2014, so it is 12 years old.

Is N439YX 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 · YX

N439YX

Embraer S A ERJ 170-200 LR, Republic Airways

N439YX is a Embraer S A ERJ 170-200 LR flown by Republic Airways, built in 2014. From August 2025 to July 2026 it flew 1,761 flights, most often New York to Washington, and 77% arrived within 15 minutes of schedule.

1,761

flights in 12 months

77%

on time (within 15 min)

airports

12 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 N439YX flies

New York to WashingtonLGA to DCA32 flights
Boston to New YorkBOS to LGA20 flights
New York to AtlantaLGA to ATL19 flights
Washington to New YorkDCA to LGA16 flights
Atlanta to New YorkATL to LGA15 flights
Washington to IndianapolisDCA to IND13 flights
New York to BostonJFK to BOS12 flights
Indianapolis to WashingtonIND to DCA11 flights
New York to BostonLGA to BOS10 flights
Raleigh-durham to New YorkRDU to LGA10 flights

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

Month by month

Share of N439YX 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%	1.9%	160
September 2025	83%	0%	139
October 2025	73%	0.7%	148
November 2025	79%	2.6%	154
December 2025	62%	5.3%	151
January 2026	80%	3.8%	159
February 2026	77%	2.9%	138
March 2026	79%	10.3%	175
April 2026	82%	0.7%	143
May 2026	79%	8.2%	73
June 2026	75%	3.5%	142
July 2026	74%	4.5%	179

Questions and answers

What type of aircraft is N439YX?: N439YX is a Embraer S A ERJ 170-200 LR with 88 seats, according to the FAA aircraft register.
Which airline flies N439YX?: Republic Airways (YX) flew N439YX most recently, according to US Department of Transportation flight records for July 2026.
Where does N439YX fly?: Its most frequent route in the last 12 months was New York to Washington (32 flights). It flew 1,761 flights in total, about 147 a month.
How old is N439YX?: N439YX was built in 2014, so it is 12 years old.
Is N439YX 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 Republic Airways compares with every other US airline.

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