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

Boston → Salt Lake City via Philadelphia: arrives on time 33%

  1. 17:05 BOS → 18:49 PHL
    AA 3309 · American · 1h 44m · 58% on time, 8.6% cancelled
  2. 59m layover in Philadelphia (PHL) · 45 min minimum on one ticket
  3. 19:48 PHL → 23:02 SLC
    AA 2610 · American · 5h 14m · 66% on time, 5.6% cancelled

Total trip 7h 57m, scheduled departure to arrival (Salt Lake City is 2 h behind Boston). Times are local. Both flew on 54 of the last 56 days.

Makes the connection58%The first flight arrived more than 14 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time33%First flight not cancelled (8.6% are) × connection made (58%) × second flight not cancelled (5.6% are) and within 15 minutes (66%).
Total trip7h 57mBOS 17:05 to SLC 23:02, 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.