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

Denver → Tucson via Salt Lake City: arrives on time 86%

  1. 07:05 DEN → 08:36 SLC
    DL 1581 · Delta · 1h 31m · 92% on time, 0.0% cancelled
  2. 49m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 09:25 SLC → 10:29 TUS
    DL 3718 · Delta, flown by SkyWest · 2h 04m · 97% on time, 0.0% cancelled

Total trip 4h 24m, scheduled departure to arrival (Tucson is 1 h behind Denver). Times are local. Both flew on 52 of the last 56 days.

Makes the connection89%The first flight arrived more than 4 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (89%) × second flight not cancelled (0.0% are) and within 15 minutes (97%).
Total trip4h 24mDEN 07:05 to TUS 10:29, 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.