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21 Air Online Check-in, Baggage Policy & Flight Booking - check-in.site

21 Air — Cargo Flight Tracker, Fleet & Offices — 2025 Guide

Quick official links

21 Air — Official site Fleet (Boeing 767) Jumpseat Contacts & offices FlightAware — 21 Air fleet Flightradar24 — 21 Air

21 Air is an all-cargo airline. Passenger services incl. web check-in are not offered.

Live tracking — 21 Air flights

Track by flight number (e.g., CSB821 / 2I821) or by aircraft on FlightAware / Flightradar24.

Open FlightAware Open Flightradar24

How to track 21 Air flights

  1. Open FlightAware or Flightradar24 from the links above.
  2. Search by flight number (format CSB### or 2I###) or aircraft registration.
  3. Use filters to see arrivals/departures for an airport.
  4. For shipment details, contact your freight forwarder or 21 Air directly.

Passenger web check-in does not apply — 21 Air is a Part 121 all-cargo operator.

Good to know

  • Services: ACMI, CMI and Charter operations.
  • Headquarters: Greensboro, NC; operations centers in Miami (MIA) and CVG.
  • Fleet type: Boeing 767 freighters.

About 21 Air — essentials

Type:
Part 121 all-cargo carrier
Services:
ACMI • CMI • Charter
Fleet:
Boeing 767
HQ:
Greensboro, NC (GSO)

Official resources

Details based on official 21 Air pages and public operator data (FlightAware/Flightradar24). Always verify operational specifics with 21 Air.

Interactive tools

Flight tracker helper

Tip: leave empty to open the full operator page.

Quick directory

Contacts Fleet FlightAware Flightradar24

Offices & operations centers

Corporate Office — Greensboro, NC

202 Centreport Drive, Suite 400, Greensboro, NC 27409

Contact page

Executive Office — Doral (Miami), FL

6505 Waterford District Drive, Suite 400, Doral, FL 33166

Contact page

MIA Operations Center — Miami, FL

1751 NW 68 Ave, Building 706, Miami, FL 33122

Contact page

CVG Center — Erlanger, KY

154 Field Maintenance Drive, Erlanger, KY 41018

Contact page

Troubleshooting — why online check-in won’t work

  • No passenger services: 21 Air operates cargo only.
  • Shipment questions: contact your freight forwarder or 21 Air.
  • Flight visibility: cargo positioning/charters may appear with limited public data.

Shipper checklist (printable)

  • Air waybill (AWB) and shipper/consignee details
  • Cargo properly packaged, labeled and documented
  • Dangerous goods (if any) compliant with IATA DGR
  • Dimensions/weight verified; special handling noted
  • Pickup/delivery window confirmed with forwarder
  • Track flight on FlightAware/Flightradar24 if needed
Open official site — 21 Air

Unofficial guide. 21 Air does not offer passenger services. Always verify operational details with the airline or your forwarder. Last updated: 2025-08-09.

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