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

Santa Ana → San Francisco via Seattle: arrives on time 36%

  1. 14:05 SNA → 17:00 SEA
    DL 952 · Delta · 2h 55m · 67% on time, 0.0% cancelled
  2. 52m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 17:52 SEA → 20:19 SFO
    DL 3991 · Delta, flown by SkyWest · 2h 27m · 65% on time, 0.7% cancelled

Total trip 6h 14m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection56%The first flight arrived more than 7 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time36%First flight not cancelled (0.0% are) × connection made (56%) × second flight not cancelled (0.7% are) and within 15 minutes (65%).
Total trip6h 14mSNA 14:05 to SFO 20:19, 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.