Salt Lake City International Airport (SLC) July 2025 Operational Report

Flight Activity Overview

Total Departing Flights: 11,630

Year-over-Year Change in Departing Flights: 13.83%

In July 2025, Salt Lake City International Airport handled 11,630 departures, a 13.83% year-over-year increase as carriers scaled capacity into peak summer demand. As Delta’s Mountain West hub, Salt Lake City International Airport consolidated frequency on core domestic routes while adding seasonal lift to leisure markets. The pattern indicates resilient regional demand rather than one-off spikes.

On-Time Performance and Cancellations

Departure On-Time Performance: 78.23%

Year-over-Year Change in OTP: +4.74 pp

Cancelled Flights: 49

Year-over-Year Change in Cancellations: −83.04%

OTP at Salt Lake City International Airport reached 78.23%, up +4.74 pp versus last year, aided by relatively stable summer weather and smoother ground operations. With just 49 cancellations (−83.04% YoY), severe disruptions were rare, though afternoon convection and West Coast flow programs still caused pockets of delay. Travelers experienced shorter knock‑on effects and more reliable connections.

Airlines Serving SLC

Delta Air Lines anchors the hub at Salt Lake City International Airport, complemented by Southwest, Alaska, American, and United. The network emphasizes high‑frequency domestic coverage across the Mountain West and transcontinental corridors, with selective cross‑border links. This mix balances connectivity for business flows and peak leisure demand.

Outlook

Over the next 4–8 weeks, schedules at SLC are expected to remain broadly stable with departure OTP near current levels; brief afternoon storms and weekend peaks may still introduce minor delays. Passengers should favor morning departures, allow 60–90 minutes of buffer for security and connections during busy periods, and monitor real‑time gate and weather alerts via the NextFly App.