Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Diego → Washington via Boston: arrives on time 83%

  1. 21:54 SAN → 06:30 BOS
    DL 571 · Delta · 5h 36m · 85% on time, 0.0% cancelled
  2. 3h 55m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 10:25 BOS → 12:12 DCA +1 day
    DL 5592 · Delta, flown by Republic · 1h 47m · 85% on time, 0.0% cancelled

Total trip 11h 18m, scheduled departure to arrival (Washington is 3 h ahead of San Diego). Times are local. Both flew on 47 of the last 56 days.

Makes the connection98%The first flight arrived more than 190 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 55m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip11h 18mSAN 21:54 to DCA 12:12, 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.