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

Seattle → Newark via Atlanta: arrives on time 54%

  1. 13:35 SEA → 21:40 ATL
    DL 542 · Delta · 5h 05m · 80% on time, 0.6% cancelled
  2. 1h 00m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:40 ATL → 00:57 EWR +1 day
    DL 2552 · Delta · 2h 18m · 70% on time, 2.6% cancelled

Total trip 8h 23m, scheduled departure to arrival (Newark is 3 h ahead of Seattle). Times are local. Both flew on 55 of the last 56 days.

Makes the connection80%The first flight arrived more than 15 minutes late on 20% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time54%First flight not cancelled (0.6% are) × connection made (80%) × second flight not cancelled (2.6% are) and within 15 minutes (70%).
Total trip8h 23mSEA 13:35 to EWR 00:57, 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.