8699b320__related_Expenses___UMN_Policy__Conditions
[Expense] Air Transportation Yes [Conditions] 
Traveler should choose the least costly method of transportation that meets the traveler’s scheduling and business needs. When total flight time, excluding layovers, from departure to arrival is 8 hours or more (including connection domestic legs), travelers may, with preapproval from their unit, upgrade from coach to the next most economical class of travel over coach (business class in most cases, or first class where business is not offered). Traveler may not pilot their personal or leased aircrafts. Traveler may not take a private plane or non-approved air charter unless they obtain an exception by the Risk Management Office.
Reimbursable / Non-reimbursable Travel-related Expenses | UMN Policy
Conditions