SAN → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 1.1% of San Diego International Airport (SAN) to Chicago O'Hare International Airport (ORD) flights were cancelled and 17.5% arrived at least 15 minutes late, across 10,007 flights, flown by UA, AA, AS, F9. Cancellations peak in January.
Check today's live SAN departures →Airport pages: San Diego International Airport (SAN) · Chicago O'Hare International Airport (ORD)
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.