Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Tucson via Phoenix: arrives on time 52%
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17:10 ORD → 19:00 PHXAA 3137 · American · 3h 50m · 63% on time, 3.2% cancelled
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1h 20m layover in Phoenix (PHX) · 45 min minimum on one ticket
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20:20 PHX → 21:14 TUSAA 6309 · American, flown by SkyWest · 54m · 68% on time, 0.0% cancelled
Total trip 6h 04m, scheduled departure to arrival (Tucson is 2 h behind Chicago). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection80%The first flight arrived more than 35 minutes late on 20% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time52%First flight not cancelled (3.2% are) × connection made (80%) × second flight not cancelled (0.0% are) and within 15 minutes (68%).
Total trip6h 04mORD 17:10 to TUS 21:14, 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.