Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Ontario via Phoenix: arrives on time 18%
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14:25 ORD → 16:09 PHXAA 1384 · American · 3h 44m · 34% on time, 0.0% cancelled
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55m layover in Phoenix (PHX) · 45 min minimum on one ticket
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17:04 PHX → 18:18 ONTAA 2639 · American · 1h 14m · 62% on time, 0.0% cancelled
Total trip 5h 53m, scheduled departure to arrival (Ontario is 2 h behind Chicago). Times are local. Both flew on 26 of the last 56 days.
Makes the connection30%The first flight arrived more than 10 minutes late on 70% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time18%First flight not cancelled (0.0% are) × connection made (30%) × second flight not cancelled (0.0% are) and within 15 minutes (62%).
Total trip5h 53mORD 14:25 to ONT 18:18, 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.