Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Baltimore → Detroit via Atlanta: arrives on time 45%
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08:36 BWI → 10:47 ATLF9 4427 · Frontier · 2h 11m · 76% on time, 1.0% cancelled
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53m layover in Atlanta (ATL) · 45 min minimum on one ticket
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11:40 ATL → 13:44 DTWF9 2898 · Frontier · 2h 04m · 65% on time, 2.3% cancelled
Total trip 5h 08m, scheduled departure to arrival. Times are local. Both flew on 50 of the last 56 days.
Makes the connection71%The first flight arrived more than 8 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 53m layover.
Arrives on time45%First flight not cancelled (1.0% are) × connection made (71%) × second flight not cancelled (2.3% are) and within 15 minutes (65%).
Total trip5h 08mBWI 08:36 to DTW 13:44, 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.