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

Salt Lake City → Charlotte via Boston: arrives on time 62%

  1. 09:50 SLC → 16:37 BOS
    DL 657 · Delta · 4h 47m · 82% on time, 1.1% cancelled
  2. 3h 03m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 19:40 BOS → 22:18 CLT
    DL 5807 · Delta, flown by Republic · 2h 38m · 66% on time, 4.2% cancelled

Total trip 10h 28m, scheduled departure to arrival (Charlotte is 2 h ahead of Salt Lake City). Times are local. Both flew on 48 of the last 56 days.

Makes the connection99%The first flight arrived more than 138 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 03m layover.
Arrives on time62%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (4.2% are) and within 15 minutes (66%).
Total trip10h 28mSLC 09:50 to CLT 22:18, 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.