Sun Country Airlines 737-900ER
SYNarrow-body jet
Fleet as reported in the 2025 annual filing · Registry & ages refreshed Sep 1, 2026
- Airframes in the filing
- 5
- 2nd-largest Sun Country Airlines sub-fleet
- In service
- 3
- Stored
- 2
- Average age
- 5.4 yr
Where the 737-900ER sits in Sun Country Airlines's fleet
The 737-900ER is 7.0% of Sun Country Airlines's 71 tracked mainline aircraft.
Share of Sun Country Airlines's mainline fleet · each type a slice · the 737-900ER is the ringed slice at 7.0%
Other Sun Country Airlines types
How old is the Sun Country Airlines 737-900ER fleet?
Age is measured from each airframe's delivery date — the FAA airworthiness date where available, otherwise the manufacturer's. Bars share a fixed scale across every fleet page, so two carriers can be compared directly.
See all 5 737-900ER tail numbers in Sun Country Airlines's fleet →
Frequently asked
How many 737-900ER does Sun Country Airlines have?
Sun Country Airlines operates about 5 737-900ER aircraft — 3 in service and 2 stored in its latest US DOT fleet filing.
How old are Sun Country Airlines's 737-900ER?
Sun Country Airlines's 737-900ER fleet averages about 5.4 yr, ranging from 0.6 yr to 1.7 yr.