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

St Louis → Washington via Atlanta: arrives on time 76%

  1. 07:08 STL → 09:45 ATL
    DL 1536 · Delta · 1h 37m · 97% on time, 1.5% cancelled
  2. 1h 15m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:00 ATL → 12:42 DCA
    DL 737 · Delta · 1h 42m · 81% on time, 2.2% cancelled

Total trip 4h 34m, scheduled departure to arrival (Washington is 1 h ahead of St Louis). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 30 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time76%First flight not cancelled (1.5% are) × connection made (97%) × second flight not cancelled (2.2% are) and within 15 minutes (81%).
Total trip4h 34mSTL 07:08 to DCA 12:42, 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.