Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Diego → Washington via Boston: arrives on time 90%

  1. 20:52 SAN → 05:40 BOS
    AS 255 · Alaska · 5h 48m · 85% on time, 0.0% cancelled
  2. 3h 38m layover in Boston (BOS) · 90 min minimum on separate tickets
  3. 09:18 BOS → 10:59 DCA +1 day
    AA 1605 · American · 1h 41m · 90% on time, 0.0% cancelled

Total trip 11h 07m, scheduled departure to arrival (Washington is 3 h ahead of San Diego). Times are local. Both flew on 46 of the last 56 days.

Makes the connection100%The first flight arrived more than 128 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 38m layover.
Arrives on time90%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip11h 07mSAN 20:52 to DCA 10:59, 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.