airlines Airline
21 Air
ICAO · CSB IATA · 2I
- Flights observed
- 2,703
- Fleet tracked
- 22
- Active routes
- 25
Top routes 25
| # | Route | Flights | Last seen |
|---|---|---|---|
| 1 | CVG → MIA | 413 | 2026-07-09 |
| 2 | MIA → CVG | 191 | 2026-07-03 |
| 3 | MIA → BWI | 164 | 2026-06-27 |
| 4 | BWI → MIA | 145 | 2026-06-24 |
| 5 | SJU → CVG | 144 | 2026-07-07 |
| 6 | BOG → MIA | 138 | 2026-06-15 |
| 7 | ORD → CVG | 124 | 2026-06-14 |
| 8 | CVG → DEN | 104 | 2026-06-11 |
| 9 | CVG → ELP | 95 | 2026-06-11 |
| 10 | DEN → CVG | 95 | 2026-06-13 |
| 11 | ELP → CVG | 92 | 2026-06-13 |
| 12 | BOS → BWI | 88 | 2026-06-13 |
| 13 | CVG → BWI | 85 | 2026-06-11 |
| 14 | GSO → CVG | 70 | 2026-07-12 |
| 15 | CVG → ORD | 64 | 2026-06-11 |
| 16 | CVG → GSO | 63 | 2026-06-21 |
| 17 | CVG → SJU | 62 | 2026-06-13 |
| 18 | MIA → BOG | 50 | 2026-06-20 |
| 19 | MSP → CVG | 46 | 2026-06-13 |
| 20 | CVG → SFO | 45 | 2026-07-03 |
| 21 | HRL → CVG | 45 | 2026-06-13 |
| 22 | SFO → CVG | 45 | 2026-07-03 |
| 23 | CVG → MSP | 43 | 2026-06-11 |
| 24 | MIA → SJU | 43 | 2026-06-16 |
| 25 | CVG → HRL | 40 | 2026-06-11 |
Fleet 22 aircraft
| Aircraft | Type | Flights | Last seen |
|---|---|---|---|
| N1409A | B763 BOEING 767-300 | 235 | 2026-07-02 |
| N1381A | B763 BOEING 767-300 | 211 | 2026-07-03 |
| N1399A | B763 BOEING 767-300 | 210 | 2026-06-17 |
| N283CM | B763 | 195 | 2026-07-05 |
| N1373A | B763 BOEING 767-300 | 169 | 2026-07-07 |
| N1487A | B763 BOEING 767-300 | 162 | 2026-06-29 |
| N298CM | B763 BOEING 767-300 | 153 | 2026-06-30 |
| N1181A | B763 BOEING 767-300 | 151 | 2026-06-28 |
| N765CK | B763 BOEING 767-300 | 150 | 2026-07-12 |
| N761CK | B763 BOEING 767-300 | 149 | 2026-06-28 |
| N507YV | B752 | 145 | 2026-07-03 |
| C-GAAJ | B763 BOEING 767-300 | 109 | 2026-07-09 |
| C-GOCJ | B763 BOEING 767-300 | 106 | 2026-06-24 |
| C-GVIJ | B763 BOEING 767-300 | 99 | 2026-07-03 |
| N1997A | B763 BOEING 767-300 | 93 | 2026-07-06 |
| N751CS | B752 | 92 | 2026-07-03 |
| N753CS | B752 BOEING 757-200 | 89 | 2026-06-13 |
| N752CS | B752 BOEING 757-200 | 80 | 2026-07-03 |
| N754CS | B752 | 60 | 2026-06-28 |
| N999YV | B762 BOEING 767-200 | 30 | 2026-06-18 |
| N661AZ | - | 13 | 2026-07-01 |
| C-FOIJ | B762 BOEING 767-200 | 2 | 2026-06-16 |
Recent flights last 25
| Date | Flight | Route | Aircraft |
|---|---|---|---|
| 2026-07-12 | CSB1421 | GSO → CVG | AA5457 |
| 2026-07-09 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-09 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-08 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-08 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-08 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-07 | CSB7592 | SJU → CVG | A097F4 |
| 2026-07-07 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-07 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-06 | CSB7592 | SJU → CVG | A18CE8 |
| 2026-07-06 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-06 | CSB925 | CVG → MIA | C044B2 |
| 2026-07-05 | CSB1421 | GSO → CVG | A2D95E |
| 2026-07-03 | CSB7592 | SJU → CVG | A097F4 |
| 2026-07-03 | CSB199 | MIA → CVG | A6562B |
| 2026-07-03 | CSB925 | CVG → MIA | C07CF6 |
| 2026-07-03 | CSB1421 | GSO → CVG | AA5457 |
| 2026-07-03 | CSB4501 | MIA → UIO | A09B65 |
| 2026-07-03 | CSB925 | CVG → MIA | C07CF6 |
| 2026-07-03 | CSB805 | CVG → SFO | AA1E03 |
| 2026-07-03 | CSB599 | CVG → MIA | A6562B |
| 2026-07-03 | CSB405 | SFO → CVG | AA21BA |
| 2026-07-02 | CSB7592 | SJU → CVG | A0A644 |
| 2026-07-02 | CSB199 | MIA → CVG | A6562B |
| 2026-07-02 | CSB925 | CVG → MIA | C07CF6 |
Fleet composition 22 aircraft
| Aircraft type | Count | Share |
|---|---|---|
| BOEING 767-300 | 13 | 59% |
| Unknown | 5 | 23% |
| BOEING 757-200 | 2 | 9% |
| BOEING 767-200 | 2 | 9% |
Hub airports
21 Air's most-used departure airports based on observed flights: CVG, MIA, BWI, SJU, BOG .
About 21 Air
21 Air operates under ICAO code CSB and IATA code 2I. We've tracked 2,703 flights from this airline across 22 distinct aircraft and 25 active routes.
All data on this page is derived from live ADS-B broadcasts and is updated continuously. The flight numbers, fleet, and routes shown reflect what we've actually observed. Schedules and operational details may differ from what appears in the airline's official sources.
21 Air frequently asked
What does the ICAO code CSB stand for?
CSB is the three-letter ICAO airline code for 21 Air. The two-letter IATA code is 2I.
How many aircraft does 21 Air have?
We've tracked 22 distinct aircraft operating under 21 Air. Most common type: BOEING 767-300 (13 aircraft, 59% of fleet).
What airports does 21 Air fly from?
Top departure airports for 21 Air based on observed flights: CVG, MIA, BWI, SJU, BOG.
What routes does 21 Air operate?
21 Air operates 25 distinct routes serving 13 airports in our records. The full list is in the Top Routes table above.
How can I track 21 Air flights live?
The live tracker shows 21 Air's currently airborne aircraft. You can also search by individual flight number, tail number, or route.