COS → ATL: cancellations & delays
Over Jan 2023 - Apr 2026, 1.1% of City of Colorado Springs Municipal Airport (COS) to Hartsfield Jackson Atlanta International Airport (ATL) flights were cancelled and 14.6% arrived at least 15 minutes late, across 1,378 flights, flown by DL. Cancellations peak in January.
Check today's live COS departures →Airport pages: City of Colorado Springs Municipal Airport (COS) · Hartsfield Jackson Atlanta International Airport (ATL)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.