Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Columbia via Dallas-Fort Worth: arrives on time 63%
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10:09 DEN → 13:19 DFWF9 3366 · Frontier · 2h 10m · 78% on time, 0.9% cancelled
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3h 54m layover in Dallas-Fort Worth (DFW) · 90 min minimum on separate tickets
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17:13 DFW → 18:56 COUAA 3890 · American, flown by Envoy · 1h 43m · 67% on time, 4.2% cancelled
Total trip 7h 47m, scheduled departure to arrival (Columbia is 1 h ahead of Denver). Times are local. Both flew on 46 of the last 56 days.
Makes the connection98%The first flight arrived more than 144 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 54m layover.
Arrives on time63%First flight not cancelled (0.9% are) × connection made (98%) × second flight not cancelled (4.2% are) and within 15 minutes (67%).
Total trip7h 47mDEN 10:09 to COU 18:56, 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.