Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Tucson via Los Angeles: arrives on time 50%
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16:39 SFO → 18:13 LAXDL 2267 · Delta · 1h 34m · 53% on time, 1.4% cancelled
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1h 08m layover in Los Angeles (LAX) · 45 min minimum on one ticket
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19:21 LAX → 21:00 TUSDL 3846 · Delta, flown by SkyWest · 1h 39m · 82% on time, 0.0% cancelled
Total trip 4h 21m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection62%The first flight arrived more than 23 minutes late on 38% of the days it flew: too late for the 45-minute minimum connection on a 1h 08m layover.
Arrives on time50%First flight not cancelled (1.4% are) × connection made (62%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip4h 21mSFO 16:39 to TUS 21:00, 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.