BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
SLC→STL

Delta Air Lines Salt Lake City, UT (SLC) to St. Louis, MO (STL) reliability

Among 978 scheduled Delta Air Lines flights from SLC to STL, 83.1% arrived on time, 11.0% arrived at least 30 minutes late, and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Delta Air Lines (DL) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
83.1%arrived on time
11.0%30+ min late
0.5%cancelled
978scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.0%
60+ minutes late5.7%
Cancelled0.5%
Average arrival+0.1 mincompleted flights

What did Delta Air Lines SLC to STL record?

Delta Air Lines completed 99.2% of its scheduled reportable SLC to STL flights in the observation window. 83.1% of all scheduled flights arrived less than 15 minutes late, while 5.7% arrived at least an hour late.

What were Delta Air Lines SLC to STL disruption rates?

For Delta Air Lines SLC-to-STL flights, 11.0% arrived at least 30 minutes late, 0.5% were cancelled, and 0.3% were diverted.

Compare all airlines on this route

What was the Delta Air Lines SLC to STL scheduled cohort?

The Delta Air Lines SLC-to-STL cohort contained 978 scheduled flights; 970 completed, 5 were cancelled, and 3 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.