21 Air

ICAO: CSB IATA: 2I Active as of Feb 15, 2026

Airline Statistics

52

Active Routes

666

Flight Observations

23

Unique Destinations

20

Origin Airports

916

Avg Route Distance (mi)

2206

Longest Route (mi)

0

Domestic Routes

52

International Routes

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Route Network Map

Click on any airport to see its routes

Most Popular Routes

MIA → CVG
Miami International Airport → Cincinnati/Northern Kentucky International Airport
951 miles
52 flights
B763
40 flights
B763
33 flights
B763
32 flights
B763
26 flights
B763
23 flights
B763
ORD → CVG
Chicago O'Hare International Airport → Cincinnati/Northern Kentucky International Airport
281 miles
21 flights
B763
SJU → CVG
Luis Munoz Marin International Airport → Cincinnati/Northern Kentucky International Airport
1868 miles
19 flights
B763
MIA → SJU
Miami International Airport → Luis Munoz Marin Intl
1049 miles
19 flights
B763

Top Destinations

CVG (KCVG)
Cincinnati/Northern Kentucky International Airport
Hebron
164 flights
14 routes
MIA (KMIA)
Miami Intl
Miami
161 flights
8 routes
ORD (KORD)
Chicago O'Hare Intl
Chicago
40 flights
1 route
SJU (TJSJ)
Luis Munoz Marin Intl
San Juan
36 flights
3 routes
BWI (KBWI)
Baltimore/Washington Intl
Baltimore
35 flights
2 routes
SDQ (MDSD)
Las Americas
Punta Caucedo
34 flights
2 routes
ELP (KELP)
El Paso Intl
El Paso
27 flights
3 routes
GSO (KGSO)
Piedmont Triad Intl
Greensboro
23 flights
1 route
SAN (KSAN)
San Diego Intl
San Diego
19 flights
1 route
MCO (KMCO)
Orlando Intl
Orlando
18 flights
2 routes

Top Origin Airports

CVG (KCVG)
Cincinnati Northern Kentucky International Airport
Cincinnati / Covington
278 flights
13 routes
MIA (KMIA)
Miami International Airport
Miami
114 flights
8 routes
SJU (TJSJ)
Luis Munoz Marin International Airport
San Juan
70 flights
5 routes
GSO (KGSO)
Piedmont Triad International Airport
Greensboro
31 flights
3 routes
ELP (KELP)
El Paso International Airport
El Paso
30 flights
2 routes
MCO (KMCO)
Orlando International Airport
Orlando
25 flights
2 routes
ORD (KORD)
Chicago O'Hare International Airport
Chicago
21 flights
1 route
SDQ (MDSD)
Las Américas International Airport
Santo Domingo
19 flights
2 routes
DEN (KDEN)
Denver International Airport
Denver
15 flights
2 routes
BOG (SKBO)
El Dorado International Airport
Bogota
15 flights
1 route

Top Border Crossing Flights

CVG (KCVG)
Cincinnati Northern Kentucky International Airport
Hebron, US
164 flights
14 routes
MIA (KMIA)
Miami International Airport
Miami, US
161 flights
8 routes
SJU (TJSJ)
Luis Munoz Marin International Airport
San Juan, PR
36 flights
3 routes
SDQ (MDSD)
Las Américas International Airport
Punta Caucedo, DO
34 flights
2 routes

Longest Routes

PBM → MIA
Johan Adolf Pengel International Airport → Miami Intl
2206 mi
SFO → CVG
San Francisco International Airport → Cincinnati/Northern Kentucky International Airport
2073 mi
CVG → SFO
Cincinnati Northern Kentucky International Airport → San Francisco Int'l
2034 mi
CVG → SJU
Cincinnati Northern Kentucky International Airport → Luis Munoz Marin Intl
1880 mi
SJU → CVG
Luis Munoz Marin International Airport → Cincinnati/Northern Kentucky International Airport
1868 mi

Shortest Routes

GSO → RIC
Piedmont Triad International Airport → Richmond Intl
175 mi
MCO → MIA
Orlando International Airport → Miami Intl
193 mi
MIA → MCO
Miami International Airport → Orlando Intl
193 mi
SJU → SDQ
Luis Munoz Marin International Airport → Las Americas
244 mi
SDQ → SJU
Las Américas International Airport → Luis Munoz Marin Intl
247 mi

All Routes

52 Total Routes
Showing 25 most popular routes
Route Destination Flights Distance Aircraft Last Seen
CVG → MIA Miami Intl
Miami
83 951 mi B763 Feb 14, 2026
MIA → CVG Cincinnati/Northern Kentucky International Airport
Hebron
52 951 mi B763 Feb 15, 2026
CVG → ORD Chicago O'Hare Intl
Chicago
40 265 mi B763 Jan 14, 2026
CVG → BWI Baltimore/Washington Intl
Baltimore
33 429 mi B763 Jan 14, 2026
SJU → MIA Miami Intl
Miami
32 1046 mi B763 Feb 15, 2026
MIA → SDQ Las Americas
Punta Caucedo
26 849 mi B763 Nov 29, 2025
CVG → GSO Piedmont Triad Intl
Greensboro
23 386 mi B763 Feb 12, 2026
ORD → CVG Cincinnati/Northern Kentucky International Airport
Hebron
21 281 mi B763 Dec 28, 2025
ELP → SAN San Diego Intl
San Diego
19 645 mi B763 Feb 12, 2026
SJU → CVG Cincinnati/Northern Kentucky International Airport
Hebron
19 1868 mi B763 Oct 4, 2025
MIA → SJU Luis Munoz Marin Intl
San Juan
19 1049 mi B763 Feb 13, 2026
SDQ → MIA Miami Intl
Miami
17 874 mi B763 Jan 27, 2026
CVG → ELP El Paso Intl
El Paso
17 1367 mi B763 Feb 9, 2026
CVG → DEN Denver Intl
Denver
16 1068 mi B763 Dec 30, 2025
GSO → RIC Richmond Intl
Richmond
16 175 mi B763 Feb 11, 2026
CVG → SJU Luis Munoz Marin Intl
San Juan
15 1880 mi B763 Feb 11, 2026
MCO → CVG Cincinnati/Northern Kentucky International Airport
Hebron
15 791 mi B763 Feb 14, 2026
BOG → MIA Miami Intl
Miami
15 1547 mi B763 Feb 1, 2026
GSO → CVG Cincinnati/Northern Kentucky International Airport
Hebron
14 366 mi B763 Feb 10, 2026
CVG → MCO Orlando Intl
Orlando
13 787 mi B763 Feb 12, 2026
CVG → HRL Valley Intl
Harlingen
12 1163 mi B752 Feb 12, 2026
DEN → SLC Salt Lake City Intl
Salt Lake City
11 437 mi B763 Feb 9, 2026
ELP → CVG Cincinnati/Northern Kentucky International Airport
Hebron
11 1352 mi B763 Jan 15, 2026
MCO → MIA Miami Intl
Miami
10 193 mi B763 Oct 30, 2025
CVG → EWR Newark Liberty Intl
Newark
10 568 mi B762 Sep 25, 2025
Data Information:

Airline statistics are based on flight route observations collected from FlightAware AeroAPI and other sources. Flight counts represent observed operations, not scheduled frequencies. Route data is continuously updated as new flight information becomes available.

Data Freshness: Real-time
Last Update: Feb 15, 2026 06:02
Coverage: Observed routes only