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

Chicago → Tulsa via Atlanta: arrives on time 81%

  1. 08:12 ORD → 11:14 ATL
    AA 1363 · American · 2h 03m · 77% on time, 1.4% cancelled
  2. 3h 41m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 14:55 ATL → 15:53 TUL
    DL 1186 · Delta · 2h 01m · 84% on time, 0.4% cancelled

Total trip 7h 44m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection99%The first flight arrived more than 131 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 41m layover.
Arrives on time81%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (0.4% are) and within 15 minutes (84%).
Total trip7h 44mORD 08:12 to TUL 15:53, 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.