GSP → BWI: cancellations & delays
Over Jan 2023 - Apr 2026, 0.9% of Greenville-Spartanburg International Airport (GSP) to Baltimore/Washington International Thurgood Marshall Airport (BWI) flights were cancelled and 14.8% arrived at least 15 minutes late, across 1,890 flights, flown by WN. Cancellations peak in January.
Check today's live GSP departures →Airport pages: Greenville-Spartanburg International Airport (GSP) · 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.