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

Houston → Baltimore via Chicago: arrives on time 34%

14:30 IAH → 17:22 ORD

UA 699 · United · 2h 52m · 68% on time, 0.0% cancelled
58m layover in Chicago (ORD) · 45 min minimum on one ticket
18:20 ORD → 21:26 BWI

UA 440 · United · 2h 06m · 51% on time, 0.0% cancelled

Total trip 5h 56m, scheduled departure to arrival (Baltimore is 1 h ahead of Houston). Times are local. Both flew on 35 of the last 56 days.

Makes the connection66%The first flight arrived more than 13 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.

Arrives on time34%First flight not cancelled (0.0% are) × connection made (66%) × second flight not cancelled (0.0% are) and within 15 minutes (51%).

Total trip5h 56mIAH 14:30 to BWI 21:26, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.