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

Raleigh/Durham → Seattle via Boston: arrives on time 47%

  1. 16:05 RDU → 18:12 BOS
    DL 1075 · Delta · 2h 07m · 67% on time, 1.3% cancelled
  2. 1h 13m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 19:25 BOS → 22:49 SEA
    DL 324 · Delta · 6h 25m · 67% on time, 2.2% cancelled

Total trip 9h 45m, scheduled departure to arrival (Seattle is 3 h behind Raleigh/Durham). Times are local. Both flew on 54 of the last 56 days.

Makes the connection72%The first flight arrived more than 28 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 13m layover.
Arrives on time47%First flight not cancelled (1.3% are) × connection made (72%) × second flight not cancelled (2.2% are) and within 15 minutes (67%).
Total trip9h 45mRDU 16:05 to SEA 22:49, 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.