Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Kansas City via Salt Lake City: arrives on time 84%
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06:05 BOS → 09:18 SLCDL 859 · Delta · 5h 13m · 89% on time, 1.6% cancelled
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1h 16m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
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10:34 SLC → 14:00 MCIDL 2882 · Delta · 2h 26m · 89% on time, 0.3% cancelled
Total trip 8h 55m, scheduled departure to arrival (Kansas City is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.
Makes the connection96%The first flight arrived more than 31 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time84%First flight not cancelled (1.6% are) × connection made (96%) × second flight not cancelled (0.3% are) and within 15 minutes (89%).
Total trip8h 55mBOS 06:05 to MCI 14:00, 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.