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Equation is an international flight-specific express small package service. Equation shipments have the highest boarding priority and fastest transit time of any international product, with service to more than 545 destinations in 127 countries.



  • Airport-to-airport service
  • Top boarding priority
  • Fast connection times
  • Available on Delta's global network* 
  • No booking required

Product & Rates

View our shipping guide and rates.


Money Back Guarantee

Equation is a flight specific commitment backed by a service level guarantee of 100% of freight charges for 100 kg or less and 50% for 101 kg and above, up to $3000 USD per air waybill.**


Large Global Network

Equation shipments have access to premium capacity on an average of 4,900 daily flights globally. From Mumbai to Los Angeles to Shanghai, Equation service can get your package there quickly and reliably.


Top Boarding Priority

Equation shipments enjoy the highest boarding priority of Delta Cargo services.

No Booking Required

Equation does not require a booking** for parcels up to 45 kg per piece and 300 kg per air waybill.


* Shipments traveling on Delta Connection flights are subject to carrier, door, and weight limitations.

** To qualify for the service level guarantee, shipments must be booked electronically (excludes email) prior to acceptance. Service level guarantee does not include fees and surcharges, and does not apply to delays/cancellations due to weather, mechanical, or situations beyond the control of Delta Air Lines. Certain additional restrictions may apply.