Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Newark via Atlanta: arrives on time 60%
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12:11 MDW → 15:13 ATLF9 2144 · Frontier · 2h 02m · 68% on time, 3.0% cancelled
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3h 51m layover in Atlanta (ATL) · 45 min minimum on one ticket
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19:04 ATL → 21:29 EWRF9 1158 · Frontier · 2h 25m · 66% on time, 4.7% cancelled
Total trip 8h 18m, scheduled departure to arrival (Newark is 1 h ahead of Chicago). Times are local. Both flew on 53 of the last 56 days.
Makes the connection99%The first flight arrived more than 186 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 51m layover.
Arrives on time60%First flight not cancelled (3.0% are) × connection made (99%) × second flight not cancelled (4.7% are) and within 15 minutes (66%).
Total trip8h 18mMDW 12:11 to EWR 21:29, 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.