Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

St Louis → Baltimore via Atlanta: arrives on time 79%

  1. 06:00 STL → 08:38 ATL
    DL 1524 · Delta · 1h 38m · 96% on time, 1.6% cancelled
  2. 1h 37m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 10:15 ATL → 12:10 BWI
    WN 186 · Southwest · 1h 55m · 88% on time, 0.0% cancelled

Total trip 5h 10m, scheduled departure to arrival (Baltimore is 1 h ahead of St Louis). Times are local. Both flew on 56 of the last 56 days.

Makes the connection92%The first flight arrived more than 7 minutes late on 8% of the days it flew: too late for the 90-minute minimum connection on a 1h 37m layover.
Arrives on time79%First flight not cancelled (1.6% are) × connection made (92%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip5h 10mSTL 06:00 to BWI 12:10, 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.