Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Seattle via Atlanta: arrives on time 73%
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08:40 JFK → 11:14 ATLDL 2227 · Delta · 2h 34m · 86% on time, 2.1% cancelled
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1h 21m layover in Atlanta (ATL) · 45 min minimum on one ticket
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12:35 ATL → 14:55 SEADL 629 · Delta · 5h 20m · 82% on time, 0.5% cancelled
Total trip 9h 15m, scheduled departure to arrival (Seattle is 3 h behind New York). Times are local. Both flew on 55 of the last 56 days.
Makes the connection91%The first flight arrived more than 36 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 21m layover.
Arrives on time73%First flight not cancelled (2.1% are) × connection made (91%) × second flight not cancelled (0.5% are) and within 15 minutes (82%).
Total trip9h 15mJFK 08:40 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.