Earlier quoted context omitted.
I'm not sure why you think your idea would shave off any time from the car-to-air sequence. If anything it would add time- You still have to get a boarding pass, go through security, walk down the terminal to the gate. The only difference is, normally you can plan ahead and waste no time since you know when your plane will be taking off. With your new system, once you get to the gate the plane might be full so you ha…
If you use the general aviation terminal there is no security or boarding passes. You just have to know the tail number of your airplane as a kind of password.
Even still I might rather get on the scheduled 6am flight and know (~90%) that I'll be in the city in time for the meeting than get an extra hour of sleep and potentially be late because there happened to be a rush that morning.
When you don't have guaranteed arrival times, like car commute, you end up leaving the house early anyway just "to beat rush hour" since you never know how long it's actually going to take. Versus guaranteed arrival times, like a commuter train, where you don't have to worry about that.