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

Philadelphia → Pittsburgh via Boston: arrives on time 40%

  1. 17:35 PHL → 19:07 BOS
    DL 5706 · Delta, flown by Republic · 1h 32m · 67% on time, 6.6% cancelled
  2. 1h 03m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 20:10 BOS → 22:13 PIT
    DL 5679 · Delta, flown by Republic · 2h 03m · 67% on time, 5.6% cancelled

Total trip 4h 38m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.

Makes the connection68%The first flight arrived more than 18 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time40%First flight not cancelled (6.6% are) × connection made (68%) × second flight not cancelled (5.6% are) and within 15 minutes (67%).
Total trip4h 38mPHL 17:35 to PIT 22:13, 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.