Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Grand Rapids via Newark: arrives on time 53%
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13:46 IAH → 18:30 EWRUA 1397 · United · 3h 44m · 74% on time, 1.6% cancelled
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1h 00m layover in Newark (EWR) · 45 min minimum on one ticket
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19:30 EWR → 21:50 GRRUA 3580 · United, flown by Republic · 2h 20m · 79% on time, 7.2% cancelled
Total trip 7h 04m, scheduled departure to arrival (Grand Rapids is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection74%The first flight arrived more than 15 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time53%First flight not cancelled (1.6% are) × connection made (74%) × second flight not cancelled (7.2% are) and within 15 minutes (79%).
Total trip7h 04mIAH 13:46 to GRR 21:50, 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.