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

San Francisco → Indianapolis via Boston: arrives on time 71%

  1. 07:10 SFO → 15:46 BOS
    DL 400 · Delta · 5h 36m · 89% on time, 1.6% cancelled
  2. 1h 59m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 17:45 BOS → 20:34 IND
    DL 5616 · Delta, flown by Republic · 2h 49m · 77% on time, 3.7% cancelled

Total trip 10h 24m, scheduled departure to arrival (Indianapolis is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 74 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 59m layover.
Arrives on time71%First flight not cancelled (1.6% are) × connection made (97%) × second flight not cancelled (3.7% are) and within 15 minutes (77%).
Total trip10h 24mSFO 07:10 to IND 20:34, 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.