Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Chicago via Dallas-Fort Worth: arrives on time 64%
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06:35 SAN → 12:05 DFWF9 1426 · Frontier · 3h 29m · 79% on time, 1.6% cancelled
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1h 14m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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13:19 DFW → 15:59 ORDF9 1342 · Frontier · 2h 43m · 75% on time, 1.6% cancelled
Total trip 7h 27m, scheduled departure to arrival (Chicago is 2 h ahead of San Diego). Times are local. Both flew on 48 of the last 56 days.
Makes the connection88%The first flight arrived more than 29 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time64%First flight not cancelled (1.6% are) × connection made (88%) × second flight not cancelled (1.6% are) and within 15 minutes (75%).
Total trip7h 27mSAN 06:35 to ORD 15:59, 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.