Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → Chicago via Atlanta: arrives on time 26%
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14:56 DTW → 17:06 ATLF9 2899 · Frontier · 2h 12m · 39% on time, 4.6% cancelled
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1h 16m layover in Atlanta (ATL) · 45 min minimum on one ticket
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18:22 ATL → 19:52 ORDF9 3397 · Frontier · 2h 30m · 58% on time, 5.3% cancelled
Total trip 5h 56m, scheduled departure to arrival (Chicago is 1 h behind Detroit). Times are local. Both flew on 22 of the last 56 days.
Makes the connection50%The first flight arrived more than 31 minutes late on 50% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time26%First flight not cancelled (4.6% are) × connection made (50%) × second flight not cancelled (5.3% are) and within 15 minutes (58%).
Total trip5h 56mDTW 14:56 to ORD 19:52, 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.