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

Portland → Tucson via Salt Lake City: arrives on time 89%

  1. 09:45 PDX → 12:35 SLC
    DL 1203 · Delta · 1h 51m · 92% on time, 3.2% cancelled
  2. 2h 25m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 15:00 SLC → 16:07 TUS
    DL 3717 · Delta, flown by SkyWest · 2h 07m · 94% on time, 0.3% cancelled

Total trip 6h 22m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 100 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 25m layover.
Arrives on time89%First flight not cancelled (3.2% are) × connection made (99%) × second flight not cancelled (0.3% are) and within 15 minutes (94%).
Total trip6h 22mPDX 09:45 to TUS 16:07, 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.