Even a relatively small increase in sick leave among air traffic controllers can produce significant delays or cancellations at busy U.S. airports because of tight staffing margins.
October 07, 2025
high
operational
Operational sensitivity of airport traffic flow to controller availability.
In October 2025, aviation analytics firm Cirium reported strong on-time performance at most major U.S. airports despite isolated staffing problems throughout the month.
October 01, 2025
high
temporal
Monthly performance finding from an aviation analytics firm about airport punctuality.