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

Denver → Billings via Salt Lake City: arrives on time 41%

  1. 19:00 DEN → 20:38 SLC
    DL 2663 · Delta · 1h 38m · 72% on time, 0.0% cancelled
  2. 47m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 21:25 SLC → 22:50 BIL
    DL 1340 · Delta · 1h 24m · 80% on time, 0.3% cancelled

Total trip 3h 49m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection52%The first flight arrived more than 2 minutes late on 48% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time41%First flight not cancelled (0.0% are) × connection made (52%) × second flight not cancelled (0.3% are) and within 15 minutes (80%).
Total trip3h 49mDEN 19:00 to BIL 22:50, 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.