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

Atlanta → Columbus via Dulles: arrives on time 86%

  1. 05:30 ATL → 07:20 IAD
    UA 641 · United · 1h 50m · 96% on time, 1.0% cancelled
  2. 1h 05m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 08:25 IAD → 09:49 CMH
    UA 4076 · United, flown by Mesa · 1h 24m · 89% on time, 0.0% cancelled

Total trip 4h 19m, scheduled departure to arrival. Times are local. Both flew on 42 of the last 56 days.

Makes the connection98%The first flight arrived more than 20 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time86%First flight not cancelled (1.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip4h 19mATL 05:30 to CMH 09:49, 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.