Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Las Vegas via Chicago: arrives on time 85%
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05:10 BOS → 07:04 ORDAA 3324 · American · 2h 54m · 92% on time, 2.2% cancelled
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3h 56m layover in Chicago (ORD) · 90 min minimum on separate tickets
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11:00 ORD → 13:05 LASUA 2440 · United · 4h 05m · 87% on time, 0.0% cancelled
Total trip 10h 55m, scheduled departure to arrival (Las Vegas is 3 h behind Boston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 146 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 56m layover.
Arrives on time85%First flight not cancelled (2.2% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip10h 55mBOS 05:10 to LAS 13:05, 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.