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

Charleston → Boston via Dulles: arrives on time 76%

  1. 10:00 CHS → 11:37 IAD
    UA 1858 · United · 1h 37m · 93% on time, 0.0% cancelled
  2. 1h 18m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 12:55 IAD → 14:40 BOS
    UA 1392 · United · 1h 45m · 82% on time, 1.3% cancelled

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

Makes the connection94%The first flight arrived more than 33 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time76%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (1.3% are) and within 15 minutes (82%).
Total trip4h 40mCHS 10:00 to BOS 14:40, 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.