MDW → SFO: cancellations & delays
Over Jan 2023 - Apr 2026, 1.3% of Chicago Midway International Airport (MDW) to San Francisco International Airport (SFO) flights were cancelled and 40.1% arrived at least 15 minutes late, across 1,104 flights, flown by WN, F9. Cancellations peak in March.
Check today's live MDW departures →Airport pages: Chicago Midway International Airport (MDW) · San Francisco International Airport (SFO)
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.