Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Denver via Chicago: arrives on time 32%
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19:43 ATL → 21:11 ORDAA 1372 · American · 2h 33m · 43% on time, 4.2% cancelled
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1h 23m layover in Chicago (ORD) · 45 min minimum on one ticket
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22:34 ORD → 00:17 DEN +1 dayAA 1387 · American · 2h 42m · 57% on time, 3.4% cancelled
Total trip 6h 33m, scheduled departure to arrival (Denver is 2 h behind Atlanta). Times are local. Both flew on 56 of the last 56 days.
Makes the connection60%The first flight arrived more than 38 minutes late on 40% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time32%First flight not cancelled (4.2% are) × connection made (60%) × second flight not cancelled (3.4% are) and within 15 minutes (57%).
Total trip6h 33mATL 19:43 to DEN 00:17, 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.