NFL kickoff 2024 thunderstorm delays Chiefs Raven start forcing supporters to leave stands thunderstorms brought rain and lightning to Kansas City's Arrowhead Stadium Thursday night causing a delay in the NFL season opening between the Chiefs and the Baltimore Ravens the storm came during pregame warm-ups as supporters began to enter the stadium a message on the Stadium's video screen said that all events SL game activities will be interrupted and directed supporters to exit the stands and onto the Concourse the NFL then stated that the plan start time of 8:20 p.m. eastern time will be pushed back to 8:40 meanwhile Chief social media found comedy in the ominous clouds after advertising the Cal before the storm earlier on the Arrowhead Stadium account the storms were not expected to stay long but it was not a good start for the highly anticipated rematch of last season's AFC Championship game by the time the NFL made its statement the weather had cleared fans returned to the stands and play