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

Tucson → San Francisco via Seattle: arrives on time 63%

  1. 11:53 TUS → 15:23 SEA
    DL 3679 · Delta, flown by SkyWest · 3h 30m · 88% on time, 0.0% cancelled
  2. 2h 29m 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 8h 26m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection98%The first flight arrived more than 104 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 29m layover.
Arrives on time63%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.7% are) and within 15 minutes (65%).
Total trip8h 26mTUS 11:53 to SFO 20:19, 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.