What type of aircraft is N621UX?

N621UX is a Embraer S A ERJ 170-200 LL with 88 seats, according to the FAA aircraft register.

Which airline flies N621UX?

SkyWest Airlines (OO) flew N621UX most recently, according to US Department of Transportation flight records for July 2026.

Where does N621UX fly?

Its most frequent route in the last 12 months was Phoenix to Los Angeles (14 flights). It flew 1,511 flights in total, about 126 a month.

N621UX was built in 2019, so it is 7 years old.

Is N621UX 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

N621UX

Embraer S A ERJ 170-200 LL, SkyWest Airlines

N621UX is a Embraer S A ERJ 170-200 LL flown by SkyWest Airlines, built in 2019. From August 2025 to July 2026 it flew 1,511 flights, most often Phoenix to Los Angeles, and 79% arrived within 15 minutes of schedule.

1,511

flights in 12 months

79%

on time (within 15 min)

airports

7 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 N621UX flies

Phoenix to Los AngelesPHX to LAX14 flights
Los Angeles to San DiegoLAX to SAN12 flights
San Diego to Los AngelesSAN to LAX12 flights
Seattle to Los AngelesSEA to LAX12 flights
Los Angeles to SeattleLAX to SEA11 flights
Gunnison to DenverGUC to DEN11 flights
Los Angeles to PhoenixLAX to PHX11 flights
Sacramento to San FranciscoSMF to SFO10 flights
San Francisco to SacramentoSFO to SMF10 flights
Boise to San FranciscoBOI to SFO8 flights

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

Month by month

Share of N621UX 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	85%	0%	150
September 2025	74%	0%	113
October 2025	89%	0.9%	115
November 2025	71%	0%	17
December 2025	64%	1.5%	131
January 2026	80%	0%	125
February 2026	83%	0%	130
March 2026	81%	0%	128
April 2026	73%	1.4%	138
May 2026	77%	0%	151
June 2026	82%	0%	157
July 2026	82%	0%	156

Questions and answers

What type of aircraft is N621UX?: N621UX is a Embraer S A ERJ 170-200 LL with 88 seats, according to the FAA aircraft register.
Which airline flies N621UX?: SkyWest Airlines (OO) flew N621UX most recently, according to US Department of Transportation flight records for July 2026.
Where does N621UX fly?: Its most frequent route in the last 12 months was Phoenix to Los Angeles (14 flights). It flew 1,511 flights in total, about 126 a month.
How old is N621UX?: N621UX was built in 2019, so it is 7 years old.
Is N621UX 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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