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

Dulles → Pittsburgh via Chicago: arrives on time 74%

  1. 10:31 IAD → 11:53 ORD
    UA 1252 · United · 2h 22m · 92% on time, 0.8% cancelled
  2. 47m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 12:40 ORD → 15:23 PIT
    UA 3432 · United, flown by Republic · 1h 43m · 89% on time, 1.2% cancelled

Total trip 4h 52m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection85%The first flight arrived more than 2 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time74%First flight not cancelled (0.8% are) × connection made (85%) × second flight not cancelled (1.2% are) and within 15 minutes (89%).
Total trip4h 52mIAD 10:31 to PIT 15:23, 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.