Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Tucson via Los Angeles: arrives on time 78%
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14:42 ORD → 17:14 LAXDL 967 · Delta · 4h 32m · 68% on time, 0.0% cancelled
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2h 07m 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 8h 18m, scheduled departure to arrival (Tucson is 2 h behind Chicago). Times are local. Both flew on 41 of the last 56 days.
Makes the connection95%The first flight arrived more than 82 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 07m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip8h 18mORD 14:42 to TUS 21:00, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.