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

Philadelphia → Seattle via Atlanta: arrives on time 75%

  1. 08:05 PHL → 10:12 ATL
    DL 1180 · Delta · 2h 07m · 86% on time, 2.6% cancelled
  2. 2h 23m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 12:35 ATL → 14:55 SEA
    DL 629 · Delta · 5h 20m · 82% on time, 0.5% cancelled

Total trip 9h 50m, scheduled departure to arrival (Seattle is 3 h behind Philadelphia). Times are local. Both flew on 56 of the last 56 days.

Makes the connection94%The first flight arrived more than 98 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 2h 23m layover.
Arrives on time75%First flight not cancelled (2.6% are) × connection made (94%) × second flight not cancelled (0.5% are) and within 15 minutes (82%).
Total trip9h 50mPHL 08:05 to SEA 14:55, 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.