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

Chicago → Washington via Houston: arrives on time 86%

  1. 05:30 ORD → 08:18 IAH
    UA 2310 · United · 2h 48m · 93% on time, 0.0% cancelled
  2. 1h 29m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 09:47 IAH → 13:57 DCA
    UA 2670 · United · 3h 10m · 88% on time, 0.0% cancelled

Total trip 7h 27m, scheduled departure to arrival (Washington is 1 h ahead of Chicago). Times are local. Both flew on 32 of the last 56 days.

Makes the connection99%The first flight arrived more than 44 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 29m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip7h 27mORD 05:30 to DCA 13:57, 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.