BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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BOS→SFO

Alaska Airlines Boston, MA (BOS) to San Francisco, CA (SFO) reliability

Among 234 scheduled Alaska Airlines flights from BOS to SFO, 60.3% arrived on time, 24.8% arrived at least 30 minutes late, and 0.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Alaska Airlines (AS) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
60.3%arrived on time
24.8%30+ min late
0.4%cancelled
234scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late24.8%
60+ minutes late14.5%
Cancelled0.4%
Average arrival+17.4 mincompleted flights

What did Alaska Airlines BOS to SFO record?

Alaska Airlines completed 97.9% of its scheduled reportable BOS to SFO flights in the observation window. 60.3% of all scheduled flights arrived less than 15 minutes late, while 14.5% arrived at least an hour late.

What were Alaska Airlines BOS to SFO disruption rates?

For Alaska Airlines BOS-to-SFO flights, 24.8% arrived at least 30 minutes late, 0.4% were cancelled, and 1.7% were diverted.

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What was the Alaska Airlines BOS to SFO scheduled cohort?

The Alaska Airlines BOS-to-SFO cohort contained 234 scheduled flights; 229 completed, 1 were cancelled, and 4 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.