Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Tucson → Los Angeles via San Francisco: arrives on time 58%
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15:28 TUS → 17:50 SFOUA 5583 · United, flown by SkyWest · 2h 22m · 76% on time, 0.3% cancelled
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55m layover in San Francisco (SFO) · 45 min minimum on one ticket
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18:45 SFO → 20:29 LAXUA 1427 · United · 1h 44m · 83% on time, 0.9% cancelled
Total trip 5h 01m, scheduled departure to arrival. Times are local. Both flew on 44 of the last 56 days.
Makes the connection71%The first flight arrived more than 10 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time58%First flight not cancelled (0.3% are) × connection made (71%) × second flight not cancelled (0.9% are) and within 15 minutes (83%).
Total trip5h 01mTUS 15:28 to LAX 20:29, 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.