More than 700 flights were delayed or canceled at Denver International Airport on Monday as thunderstorms rolled across the Front Range.

Arriving flights were delayed by more than an hour on average because of the weather, according to the Federal Aviation Administration.

There were 701 delayed and 32 canceled flights as of 5:20 p.m., according to FlightAware. Most of the delayed flights were on United and Southwest airlines.

Monday’s storms brought an end to a streak of record-breaking heat for the Denver metro.

This is a developing story and may be updated.

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