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

New York → San Francisco via Salt Lake City: arrives on time 43%

  1. 18:29 JFK → 21:58 SLC
    DL 863 · Delta · 5h 29m · 75% on time, 2.1% cancelled
  2. 52m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 22:50 SLC → 23:52 SFO
    DL 1091 · Delta · 2h 06m · 66% on time, 0.3% cancelled

Total trip 8h 27m, scheduled departure to arrival (San Francisco is 3 h behind New York). Times are local. Both flew on 56 of the last 56 days.

Makes the connection67%The first flight arrived more than 7 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time43%First flight not cancelled (2.1% are) × connection made (67%) × second flight not cancelled (0.3% are) and within 15 minutes (66%).
Total trip8h 27mJFK 18:29 to SFO 23:52, 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.