Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → Harrisburg via Atlanta: arrives on time 75%
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06:10 DTW → 08:31 ATLF9 1263 · Frontier · 2h 21m · 78% on time, 1.1% cancelled
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2h 44m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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11:15 ATL → 13:17 MDTDL 4717 · Delta, flown by Endeavor · 2h 02m · 81% on time, 0.0% cancelled
Total trip 7h 07m, scheduled departure to arrival. Times are local. Both flew on 26 of the last 56 days.
Makes the connection94%The first flight arrived more than 74 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 2h 44m layover.
Arrives on time75%First flight not cancelled (1.1% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip7h 07mDTW 06:10 to MDT 13:17, 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.