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

San Francisco → Indianapolis via Nashville: arrives on time 89%

  1. 23:59 SFO → 06:37 BNA
    UA 1815 · United · 4h 38m · 77% on time, 0.0% cancelled
  2. 3h 28m layover in Nashville (BNA) · 90 min minimum on separate tickets
  3. 10:05 BNA → 12:20 IND +1 day
    WN 537 · Southwest · 1h 15m · 90% on time, 0.0% cancelled

Total trip 9h 21m, scheduled departure to arrival (Indianapolis is 3 h ahead of San Francisco). Times are local. Both flew on 48 of the last 56 days.

Makes the connection99%The first flight arrived more than 118 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 28m layover.
Arrives on time89%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip9h 21mSFO 23:59 to IND 12:20, 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.