Airline
Hyannis Air Service, Inc. d/b/a Cap (9K)
Independent regional airline Cape Air (9K) offers all-economy service on small aircraft, connecting smaller communities to major hubs in the U.S. and Caribbean.
IATA9KICAOKAPDestinations34Skytrax3/5
At a Glance
IATA Code9K
ICAO CodeKAP
AllianceIndependent Carrier
CountryUnited States
Hubs
Hyannis Air Service, Inc. d/b/a Cap Hub Airports
Primary hub and focus city airports.
Pros & Cons
Pros
- ✓Convenient service to smaller communities and island destinations that often lack large-airline coverage
- ✓Short, time-saving connections to major hubs like Boston and San Juan
- ✓Generally friendly, personable staff and a small-aircraft, boutique-style experience
- ✓Easy boarding and deplaning at small airports, often with quick turnarounds
- ✓Interline and codeshare options with major carriers, enabling through-ticketing and mileage accrual on partner programs (when applicable)
Cons
- ✗Higher sensitivity to weather and operational disruptions due to small aircraft and short runways
- ✗Limited onboard amenities: no Wi‑Fi, no entertainment, and minimal or no inflight service on many routes
- ✗Strict baggage size and weight limits, with frequent need to gate-check bags
- ✗Tight cabin space and basic seating, which may feel cramped to some passengers
- ✗Schedule frequency and route network can be limited compared with larger regional or mainline airlines
