Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Baltimore via Boston: arrives on time 90%
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07:33 ORD → 11:05 BOSUA 1076 · United · 2h 32m · 94% on time, 0.0% cancelled
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2h 15m layover in Boston (BOS) · 90 min minimum on separate tickets
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13:20 BOS → 15:00 BWIWN 733 · Southwest · 1h 40m · 91% on time, 0.0% cancelled
Total trip 6h 27m, scheduled departure to arrival (Baltimore is 1 h ahead of Chicago). Times are local. Both flew on 31 of the last 56 days.
Makes the connection99%The first flight arrived more than 45 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 2h 15m layover.
Arrives on time90%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip6h 27mORD 07:33 to BWI 15:00, 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.