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

Salt Lake City → Philadelphia via Denver: arrives on time 4%

  1. 16:45 SLC → 18:15 DEN
    WN 3740 · Southwest · 1h 30m · 28% on time, 0.0% cancelled
  2. 50m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 19:05 DEN → 00:45 PHL +1 day
    WN 2686 · Southwest · 3h 35m · 22% on time, 2.0% cancelled

Total trip 5h 55m, scheduled departure to arrival (Philadelphia is 2 h ahead of Salt Lake City). Times are local. Both flew on 47 of the last 56 days.

Makes the connection18%The first flight arrived more than 5 minutes late on 82% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time4%First flight not cancelled (0.0% are) × connection made (18%) × second flight not cancelled (2.0% are) and within 15 minutes (22%).
Total trip5h 55mSLC 16:45 to PHL 00:45, 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.