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

Boston → Salt Lake City via Dallas-Fort Worth: arrives on time 31%

  1. 17:57 BOS → 21:20 DFW
    AA 1577 · American · 4h 28m · 58% on time, 14.5% cancelled
  2. 1h 32m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 22:52 DFW → 00:36 SLC +1 day
    AA 2378 · American · 2h 44m · 46% on time, 3.4% cancelled

Total trip 8h 39m, scheduled departure to arrival (Salt Lake City is 2 h behind Boston). Times are local. Both flew on 53 of the last 56 days.

Makes the connection81%The first flight arrived more than 47 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 1h 32m layover.
Arrives on time31%First flight not cancelled (14.5% are) × connection made (81%) × second flight not cancelled (3.4% are) and within 15 minutes (46%).
Total trip8h 39mBOS 17:57 to SLC 00:36, 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.