Not sure what you’re looking at when it says 9 hours of continuous lightning. Looking at the forecast probability of thunderstorms, unfortunately the time frame has shifted about an hour later from some earlier forecasts, but still showing a significant drop off in probabilities after 7 pm EDT. There is still a chance that late, but declining from afternoon. Game is still better off in the evening than mid afternoon.
Reminder of the NCAA lightning safety rules: Lightning within 8 miles of the stadium, 30 minute delay. The clock resets with each strike in the 8-mile radius. Thunder can be heard, generally 6-8 miles from lightning. If you see a flash and can hear thunder its probably inside of 8 miles.