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

Seattle → Miami via Atlanta: arrives on time 82%

  1. 22:58 SEA → 06:45 ATL
    DL 409 · Delta · 4h 47m · 83% on time, 0.0% cancelled
  2. 2h 10m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 08:55 ATL → 10:57 MIA +1 day
    DL 1510 · Delta · 2h 01m · 84% on time, 2.2% cancelled

Total trip 8h 58m, scheduled departure to arrival (Miami is 3 h ahead of Seattle). Times are local. Both flew on 23 of the last 56 days.

Makes the connection100%The first flight arrived more than 85 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 10m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (2.2% are) and within 15 minutes (84%).
Total trip8h 58mSEA 22:58 to MIA 10:57, 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.