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

Atlanta → Austin via Dulles: arrives on time 90%

  1. 05:30 ATL → 07:20 IAD
    UA 641 · United · 1h 50m · 96% on time, 1.0% cancelled
  2. 1h 10m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 08:30 IAD → 10:56 AUS
    UA 637 · United · 3h 26m · 93% on time, 0.8% cancelled

Total trip 6h 26m, scheduled departure to arrival (Austin is 1 h behind Atlanta). Times are local. Both flew on 32 of the last 56 days.

Makes the connection98%The first flight arrived more than 25 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time90%First flight not cancelled (1.0% are) × connection made (98%) × second flight not cancelled (0.8% are) and within 15 minutes (93%).
Total trip6h 26mATL 05:30 to AUS 10:56, 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.