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

San Francisco → Charlotte via Atlanta: arrives on time 56%

  1. 14:00 SFO → 21:49 ATL
    DL 531 · Delta · 4h 52m · 78% on time, 0.4% cancelled
  2. 52m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:41 ATL → 23:59 CLT
    DL 3177 · Delta · 1h 18m · 84% on time, 4.0% cancelled

Total trip 6h 59m, scheduled departure to arrival (Charlotte is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.

Makes the connection70%The first flight arrived more than 7 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time56%First flight not cancelled (0.4% are) × connection made (70%) × second flight not cancelled (4.0% are) and within 15 minutes (84%).
Total trip6h 59mSFO 14:00 to CLT 23:59, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.