Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Chicago via Atlanta: arrives on time 51%
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16:40 PHL → 19:07 ATLF9 1147 · Frontier · 2h 30m · 41% on time, 2.9% cancelled
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1h 53m layover in Atlanta (ATL) · 45 min minimum on one ticket
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21:00 ATL → 22:03 MDWF9 2291 · Frontier · 2h 04m · 68% on time, 2.4% cancelled
Total trip 6h 24m, scheduled departure to arrival (Chicago is 1 h behind Philadelphia). Times are local. Both flew on 24 of the last 56 days.
Makes the connection78%The first flight arrived more than 68 minutes late on 22% of the days it flew: too late for the 45-minute minimum connection on a 1h 53m layover.
Arrives on time51%First flight not cancelled (2.9% are) × connection made (78%) × second flight not cancelled (2.4% are) and within 15 minutes (68%).
Total trip6h 24mPHL 16:40 to MDW 22:03, 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.