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

Baltimore → St Louis via Atlanta: arrives on time 87%

  1. 08:20 BWI → 10:20 ATL
    WN 3931 · Southwest · 1h 58m · 92% on time, 0.0% cancelled
  2. 3h 49m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 14:09 ATL → 14:48 STL
    DL 2700 · Delta · 1h 41m · 90% on time, 1.3% cancelled

Total trip 7h 30m, scheduled departure to arrival (St Louis is 1 h behind Baltimore). Times are local. Both flew on 48 of the last 56 days.

Makes the connection98%The first flight arrived more than 139 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 49m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (1.3% are) and within 15 minutes (90%).
Total trip7h 30mBWI 08:20 to STL 14:48, 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.