Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Boston → Charleston via Baltimore: arrives on time 20%

  1. 17:20 BOS → 19:10 BWI
    WN 1898 · Southwest · 1h 50m · 52% on time, 5.3% cancelled
  2. 1h 05m layover in Baltimore (BWI) · 45 min minimum on one ticket
  3. 20:15 BWI → 21:55 CHS
    WN 184 · Southwest · 1h 45m · 43% on time, 10.2% cancelled

Total trip 4h 40m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.

Makes the connection56%The first flight arrived more than 20 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time20%First flight not cancelled (5.3% are) × connection made (56%) × second flight not cancelled (10.2% are) and within 15 minutes (43%).
Total trip4h 40mBOS 17:20 to CHS 21:55, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.