Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Washington via Columbus: arrives on time 69%
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07:45 MDW → 10:05 CMHWN 4093 · Southwest · 1h 20m · 93% on time, 0.0% cancelled
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3h 40m layover in Columbus (CMH) · 45 min minimum on one ticket
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13:45 CMH → 15:00 DCAWN 1185 · Southwest · 1h 15m · 72% on time, 4.8% cancelled
Total trip 6h 15m, scheduled departure to arrival (Washington is 1 h ahead of Chicago). Times are local. Both flew on 40 of the last 56 days.
Makes the connection100%The first flight arrived more than 175 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 40m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (4.8% are) and within 15 minutes (72%).
Total trip6h 15mMDW 07:45 to DCA 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.