How often are IAH to EWR flights on time?

Flights from Houston (IAH) to Newark (EWR) arrive on time 87% of the time across 21,705 flights of official data.

Which airline is most reliable on the IAH to EWR route?

Spirit Airlines has the best on-time record on this route at 89% across 2,452 flights.

Route reliability

Flights from Houston to Newark arrive on time 87% of the time across 21,705 flights. Here’s how each airline really performs.

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On-time rate

21,705 flights

Airline	On-time	Flights
Spirit Airlines	89%	2,452
United Airlines	87%	19,253

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg EWR → IAH.

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Score real IAH–EWR flights on reliability, weather, and connection safety — not just price.

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