BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
SAT→BOS

Delta Air Lines San Antonio, TX (SAT) to Boston, MA (BOS) reliability

Among 355 scheduled Delta Air Lines flights from SAT to BOS, 58.9% arrived on time, 26.5% arrived at least 30 minutes late, and 2.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Delta Air Lines (DL) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
58.9%arrived on time
26.5%30+ min late
2.3%cancelled
355scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late26.5%
60+ minutes late18.9%
Cancelled2.3%
Average arrival+26.1 mincompleted flights

What did Delta Air Lines SAT to BOS record?

Delta Air Lines completed 96.6% of its scheduled reportable SAT to BOS flights in the observation window. 58.9% of all scheduled flights arrived less than 15 minutes late, while 18.9% arrived at least an hour late.

What were Delta Air Lines SAT to BOS disruption rates?

For Delta Air Lines SAT-to-BOS flights, 26.5% arrived at least 30 minutes late, 2.3% were cancelled, and 1.1% were diverted.

Compare all airlines on this route

What was the Delta Air Lines SAT to BOS scheduled cohort?

The Delta Air Lines SAT-to-BOS cohort contained 355 scheduled flights; 343 completed, 8 were cancelled, and 4 were diverted.

Not a prediction.

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