The re-engined A321. Airbus's single biggest narrowbody success story — routinely eating into 737 MAX territory and unlocking new long, thin routes.
Airbus
Airbus A321neo
ICAO:
A21N IATA: A321-271N 
First flight2017
Typical seats180-244
Range7,400 km
Engines2× CFM LEAP-1A or Pratt & Whitney PW1100G
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