Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Tucson via Los Angeles: arrives on time 18%
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14:15 SFO → 15:45 LAXWN 278 · Southwest · 1h 30m · 20% on time, 0.0% cancelled
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1h 05m layover in Los Angeles (LAX) · 45 min minimum on one ticket
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16:50 LAX → 18:20 TUSWN 951 · Southwest · 1h 30m · 67% on time, 0.0% cancelled
Total trip 4h 05m, scheduled departure to arrival. Times are local. Both flew on 31 of the last 56 days.
Makes the connection27%The first flight arrived more than 20 minutes late on 73% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time18%First flight not cancelled (0.0% are) × connection made (27%) × second flight not cancelled (0.0% are) and within 15 minutes (67%).
Total trip4h 05mSFO 14:15 to TUS 18:20, 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.