COS → BWI: cancellations & delays
Over Jan 2023 - Apr 2026, 0.4% of City of Colorado Springs Municipal Airport (COS) to Baltimore/Washington International Thurgood Marshall Airport (BWI) flights were cancelled and 15.5% arrived at least 15 minutes late, across 480 flights, flown by WN. Cancellations peak in November.
Check today's live COS departures →Airport pages: City of Colorado Springs Municipal Airport (COS) · Baltimore/Washington International Thurgood Marshall Airport (BWI)
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.