Quarterly report pursuant to Section 13 or 15(d)

LEASES - Narratives (Details)

v3.19.1
LEASES - Narratives (Details)
Mar. 31, 2019
aircraft
Leases [Abstract]  
Number of lease aircrafts (aircraft) 332
Number of lease aircrafts, finance (aircraft) 34
Number of lease aircrafts, operating (aircraft) 12
Number of lease aircrafts, short-term (aircraft) 286