Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Phoenix via Salt Lake City: arrives on time 58%
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17:11 SFO → 20:06 SLCF9 3394 · Frontier · 1h 55m · 71% on time, 4.2% cancelled
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1h 04m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
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21:10 SLC → 21:56 PHXF9 4949 · Frontier · 1h 46m · 87% on time, 2.7% cancelled
Total trip 4h 45m, scheduled departure to arrival. Times are local. Both flew on 53 of the last 56 days.
Makes the connection72%The first flight arrived more than 19 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time58%First flight not cancelled (4.2% are) × connection made (72%) × second flight not cancelled (2.7% are) and within 15 minutes (87%).
Total trip4h 45mSFO 17:11 to PHX 21:56, 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.