Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Indianapolis via Atlanta: arrives on time 53%
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11:56 SEA → 19:54 ATLDL 554 · Delta · 4h 58m · 78% on time, 0.0% cancelled
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57m layover in Atlanta (ATL) · 45 min minimum on one ticket
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20:51 ATL → 22:27 INDDL 1482 · Delta · 1h 36m · 72% on time, 1.7% cancelled
Total trip 7h 31m, scheduled departure to arrival (Indianapolis is 3 h ahead of Seattle). Times are local. Both flew on 56 of the last 56 days.
Makes the connection75%The first flight arrived more than 12 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time53%First flight not cancelled (0.0% are) × connection made (75%) × second flight not cancelled (1.7% are) and within 15 minutes (72%).
Total trip7h 31mSEA 11:56 to IND 22:27, 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.