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

Seattle → Pittsburgh via Chicago: arrives on time 49%

  1. 13:55 SEA → 20:21 ORD
    UA 2101 · United · 4h 26m · 65% on time, 0.0% cancelled
  2. 59m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 21:20 ORD → 23:59 PIT
    UA 3464 · United, flown by Republic · 1h 39m · 80% on time, 4.8% cancelled

Total trip 7h 04m, scheduled departure to arrival (Pittsburgh is 3 h ahead of Seattle). Times are local. Both flew on 36 of the last 56 days.

Makes the connection64%The first flight arrived more than 14 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time49%First flight not cancelled (0.0% are) × connection made (64%) × second flight not cancelled (4.8% are) and within 15 minutes (80%).
Total trip7h 04mSEA 13:55 to PIT 23:59, 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.