21 Air (CSB)

Aircraft currently assigned

21

Inferred routes

37

Flights over the last 30 days

890

Most frequent routes

Across all flights we have on record, including history taken over from before our own network started.

As of 2026-10-06

• Miami International Airport (MIA/KMIA) → Luis Munoz Marin International Airport (SJU/TJSJ) — Number of flights: 175
• Miami International Airport (MIA/KMIA) → Cincinnati Northern Kentucky International Airport (CVG/KCVG) — Number of flights: 129
• Cincinnati Northern Kentucky International Airport (CVG/KCVG) → Miami International Airport (MIA/KMIA) — Number of flights: 108
• Miami International Airport (MIA/KMIA) → El Dorado International Airport (BOG/SKBO) — Number of flights: 81
• Luis Munoz Marin International Airport (SJU/TJSJ) → Miami International Airport (MIA/KMIA) — Number of flights: 81

Most frequent airports

• Cincinnati Northern Kentucky International Airport (CVG/KCVG) — Number of flights: 1307
• Miami International Airport (MIA/KMIA) — Number of flights: 835
• Luis Munoz Marin International Airport (SJU/TJSJ) — Number of flights: 484
• Orlando International Airport (MCO/KMCO) — Number of flights: 158
• El Dorado International Airport (BOG/SKBO) — Number of flights: 147
• Denver International Airport (DEN/KDEN) — Number of flights: 144
• San Francisco International Airport (SFO/KSFO) — Number of flights: 129
• Jacksonville International Airport (JAX/KJAX) — Number of flights: 122
• San Diego International Airport (SAN/KSAN) — Number of flights: 111
• Salt Lake City International Airport (SLC/KSLC) — Number of flights: 94

Regular flights

• CSB7501 — 21 Air · KMIA → KCVG
• CSB7515 — 21 Air · KCVG → KMIA

Sources: the aircraft registry and our own observations; flight totals also include history taken over from before our own network started.