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

Newark → San Francisco via Salt Lake City: arrives on time 38%

  1. 07:15 EWR → 10:13 SLC
    DL 1009 · Delta · 4h 58m · 81% on time, 1.6% cancelled
  2. 47m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 11:00 SLC → 12:08 SFO
    DL 902 · Delta · 2h 08m · 66% on time, 0.3% cancelled

Total trip 7h 53m, scheduled departure to arrival (San Francisco is 3 h behind Newark). Times are local. Both flew on 56 of the last 56 days.

Makes the connection59%The first flight arrived more than 2 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time38%First flight not cancelled (1.6% are) × connection made (59%) × second flight not cancelled (0.3% are) and within 15 minutes (66%).
Total trip7h 53mEWR 07:15 to SFO 12:08, 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.