Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Washington via Boston: arrives on time 64%
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13:20 SAT → 18:48 BOSDL 816 · Delta · 4h 28m · 60% on time, 1.9% cancelled
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3h 02m layover in Boston (BOS) · 45 min minimum on one ticket
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21:50 BOS → 23:43 DCADL 5704 · Delta, flown by Republic · 1h 53m · 77% on time, 7.7% cancelled
Total trip 9h 23m, scheduled departure to arrival (Washington is 1 h ahead of San Antonio). Times are local. Both flew on 48 of the last 56 days.
Makes the connection93%The first flight arrived more than 137 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 3h 02m layover.
Arrives on time64%First flight not cancelled (1.9% are) × connection made (93%) × second flight not cancelled (7.7% are) and within 15 minutes (77%).
Total trip9h 23mSAT 13:20 to DCA 23:43, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.