Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → San Francisco via Houston: arrives on time 39%
-
17:54 LGA → 20:52 IAHUA 1066 · United · 3h 58m · 50% on time, 2.7% cancelled
-
1h 07m layover in Houston (IAH) · 45 min minimum on one ticket
-
21:59 IAH → 00:05 SFO +1 dayUA 1609 · United · 4h 06m · 80% on time, 1.2% cancelled
Total trip 9h 11m, scheduled departure to arrival (San Francisco is 3 h behind New York). Times are local. Both flew on 37 of the last 56 days.
Makes the connection50%The first flight arrived more than 22 minutes late on 50% of the days it flew: too late for the 45-minute minimum connection on a 1h 07m layover.
Arrives on time39%First flight not cancelled (2.7% are) × connection made (50%) × second flight not cancelled (1.2% are) and within 15 minutes (80%).
Total trip9h 11mLGA 17:54 to SFO 00:05, 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.