Spirit Airlines
IATA: NK ICAO: NKS Callsign: SPIRIT WINGS Country: United States Utilization: 85% Active Modernity: Grade B (46.6% Next-Gen)
Spirit Airlines Key Facts
- As of 2026-09-17, 148 Spirit Airlines airframes were observed flying in the previous 30 days.
- 0 airframes were unobserved for 7 to 29 days, and 0 airframes are classified as stored or unobserved for 30 or more days.
- The observed average fleet age for Spirit Airlines is 11.2 years.
Active Airframes 148 Observed in last 30 days (85% utilization)
Fleet Financing Structure 15.5% Owned · 84.5% Leased 23 owned · 125 leased tails
Modernity & Carbon Rating Grade B (-12% Fuel) 46.6% Next-Gen (neo/MAX/A350/787)
Fleet Ownership & Lessor Financing Exposure
Analysis of institutional aircraft operating lessors financing Spirit Airlines's fleet portfolio.
Balance Sheet vs Leased Fleet Split
Financing Lessors with Portfolio Exposure
Fleet Age Distribution
Distribution of observed airframes by age bracket as of 2026-09-17.
| Age Bracket | Airframe Count |
|---|---|
| 0-4 yrs | 0 |
| 5-9 yrs | 0 |
| 10-14 yrs | 0 |
| 15-19 yrs | 0 |
| 20+ yrs | 0 |
Observed Fleet Locations
Global distribution of last-observed airport locations for Spirit Airlines aircraft.
Observed Airframes
| Registration / Tail | Aircraft Type | Mode S Hex | Lessor / Owner | Status | Last Observed Airport | Estimated Age |
|---|---|---|---|---|---|---|
| No individual airframes observed for this carrier in the active sample database. | ||||||
Weekly Active vs Stored Airframes
| Week | Active | Idle | Stored |
|---|---|---|---|
| W34 | 144 | 2 | 2 |
| W35 | 146 | 1 | 1 |
| W36 | 147 | 1 | 0 |
| W37 | 148 | 0 | 0 |
Inferred Route Network
Observed airport pair connections during the 8-week rolling observation window.
Historical Incidents
No major fatal incidents recorded in the safety directory for Spirit Airlines.
Latest News Mentions
No recent news headlines tagged for this airline.
See Also
Related carriers based in United States: