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

San Francisco → Raleigh/Durham via Atlanta: arrives on time 90%

  1. 21:20 SFO → 05:20 ATL
    UA 1603 · United · 5h 00m · 85% on time, 0.7% cancelled
  2. 3h 23m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 08:43 ATL → 10:10 RDU +1 day
    DL 1699 · Delta · 1h 27m · 93% on time, 0.7% cancelled

Total trip 9h 50m, scheduled departure to arrival (Raleigh/Durham is 3 h ahead of San Francisco). Times are local. Both flew on 51 of the last 56 days.

Makes the connection98%The first flight arrived more than 113 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 23m layover.
Arrives on time90%First flight not cancelled (0.7% are) × connection made (98%) × second flight not cancelled (0.7% are) and within 15 minutes (93%).
Total trip9h 50mSFO 21:20 to RDU 10:10, 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.