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

St Louis → Baltimore via Houston: arrives on time 78%

  1. 08:35 STL → 10:50 IAH
    UA 4579 · United, flown by GoJet · 2h 15m · 93% on time, 0.0% cancelled
  2. 1h 26m 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 6h 55m, scheduled departure to arrival (Baltimore is 1 h ahead of St Louis). Times are local. Both flew on 30 of the last 56 days.

Makes the connection97%The first flight arrived more than 41 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 26m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip6h 55mSTL 08:35 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.