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

Seattle → Baltimore via Houston: arrives on time 72%

  1. 05:00 SEA → 11:21 IAH
    UA 2748 · United · 4h 21m · 89% on time, 0.0% cancelled
  2. 55m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 12:16 IAH → 16:30 BWI
    UA 1720 · United · 3h 14m · 81% on time, 0.0% cancelled

Total trip 8h 30m, scheduled departure to arrival (Baltimore is 3 h ahead of Seattle). Times are local. Both flew on 50 of the last 56 days.

Makes the connection89%The first flight arrived more than 10 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time72%First flight not cancelled (0.0% are) × connection made (89%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip8h 30mSEA 05:00 to BWI 16:30, 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.