Home / Routes / KSAT → KBOS444 scheduled

The route from San Antonio International Airport (KSAT) in San Antonio to General Edward Lawrence Logan International Airport (KBOS) in Boston. SkyMeter tracks roughly 444 scheduled flights on this route across 8 carriers. The most active operator is DAL (DAL). Average block time is 3h 39m. Departures average 42 minutes off schedule, with 48% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS-BOMBARDIER Airbus A220-300.

Scheduled
444
last 492 days
ADS-B observed
81
Airlines
8
Avg dep delay
42m
Late >15 min
48.4%
Cancel rate
0.90%

Recent observed flights

From ADS-B trace data

2026-09-05 18:11  →  2026-09-05 23:23  ·  5h 12m
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2026-09-04 18:11  →  2026-09-04 22:42  ·  4h 31m
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2026-09-03 19:07  →  2026-09-03 23:42  ·  4h 35m
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2026-09-02 17:54  →  2026-09-02 22:16  ·  4h 21m
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2026-09-01 18:02  →  2026-09-01 22:31  ·  4h 29m
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2026-08-31 18:05  →  2026-08-31 22:38  ·  4h 33m
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2026-08-30 17:53  →  2026-08-30 22:06  ·  4h 13m
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2026-08-29 17:47  →  2026-08-29 22:20  ·  4h 33m
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2026-08-28 18:02  →  2026-08-28 22:55  ·  4h 52m
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2026-08-27 19:10  →  2026-08-28 00:25  ·  5h 14m
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Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells DAL 231
sells DAL 197
sells DAL 90

Looking for the return flight?

View KBOS → KSAT