BOS → SJC: cancellations & delays
Over Jan 2023 - Apr 2026, 1.3% of Boston Logan International Airport (BOS) to Norman Y. Mineta San Jose International Airport (SJC) flights were cancelled and 44.9% arrived at least 15 minutes late, across 309 flights, flown by B6, AA, WN, UA. Cancellations peak in September.
Check today's live BOS departures →Airport pages: Boston Logan International Airport (BOS) · Norman Y. Mineta San Jose International Airport (SJC)
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.