Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dallas-Fort Worth via Denver: arrives on time 23%
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12:38 SFO → 16:25 DENF9 1094 · Frontier · 2h 47m · 43% on time, 1.1% cancelled
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58m layover in Denver (DEN) · 45 min minimum on one ticket
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17:23 DEN → 20:36 DFWF9 2148 · Frontier · 2h 13m · 57% on time, 1.2% cancelled
Total trip 5h 58m, scheduled departure to arrival (Dallas-Fort Worth is 2 h ahead of San Francisco). Times are local. Both flew on 28 of the last 56 days.
Makes the connection42%The first flight arrived more than 13 minutes late on 58% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time23%First flight not cancelled (1.1% are) × connection made (42%) × second flight not cancelled (1.2% are) and within 15 minutes (57%).
Total trip5h 58mSFO 12:38 to DFW 20:36, 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.