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

Dulles → Boston via Charlotte: arrives on time 37%

  1. 13:08 IAD → 14:42 CLT
    AA 5220 · American, flown by PSA · 1h 34m · 72% on time, 5.7% cancelled
  2. 1h 03m layover in Charlotte (CLT) · 45 min minimum on one ticket
  3. 15:45 CLT → 18:04 BOS
    AA 1552 · American · 2h 19m · 55% on time, 2.8% cancelled

Total trip 4h 56m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.

Makes the connection74%The first flight arrived more than 18 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time37%First flight not cancelled (5.7% are) × connection made (74%) × second flight not cancelled (2.8% are) and within 15 minutes (55%).
Total trip4h 56mIAD 13:08 to BOS 18:04, 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.