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

Pittsburgh → Seattle via Chicago: arrives on time 26%

  1. 15:59 PIT → 16:50 ORD
    AA 555 · American · 1h 51m · 63% on time, 1.4% cancelled
  2. 57m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 17:47 ORD → 20:37 SEA
    AA 3105 · American · 4h 50m · 44% on time, 1.0% cancelled

Total trip 7h 38m, scheduled departure to arrival (Seattle is 3 h behind Pittsburgh). Times are local. Both flew on 56 of the last 56 days.

Makes the connection61%The first flight arrived more than 12 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time26%First flight not cancelled (1.4% are) × connection made (61%) × second flight not cancelled (1.0% are) and within 15 minutes (44%).
Total trip7h 38mPIT 15:59 to SEA 20:37, 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.