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

Seattle → Tucson via Salt Lake City: arrives on time 90%

  1. 05:30 SEA → 08:30 SLC
    DL 1128 · Delta · 2h 00m · 94% on time, 0.5% cancelled
  2. 55m 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 59m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection93%The first flight arrived more than 10 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time90%First flight not cancelled (0.5% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (97%).
Total trip4h 59mSEA 05:30 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.