Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Missoula via San Francisco: arrives on time 57%
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06:10 ORD → 08:47 SFOUA 246 · United · 4h 37m · 93% on time, 0.7% cancelled
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3h 28m layover in San Francisco (SFO) · 45 min minimum on one ticket
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12:15 SFO → 15:38 MSOUA 5422 · United, flown by SkyWest · 2h 23m · 58% on time, 0.0% cancelled
Total trip 10h 28m, scheduled departure to arrival (Missoula is 1 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection100%The first flight arrived more than 163 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 28m layover.
Arrives on time57%First flight not cancelled (0.7% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (58%).
Total trip10h 28mORD 06:10 to MSO 15:38, 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.