Still being one of the luckiest people in aviation accident history, he may just have opened the door and stood there, and when the plane hit the ground been thrown by chance in the direction out.
Thinking about it, this is probably the best option, statistically. Timing the jump has virtually no chance of succeeding, but if you stand by the door you have an almost 25% chance of being thrown out the right way.
Honestly, not being a sore loser is what ended her political career. She got nothing out of conceding quickly, especially because Biden and Harris both painted a Trump presidency as a cataclysm for democracy.
If Trump is so bad (spoiler alert: he is), then you can't just throw in the towel because CBS projects Trump to win Florida. You ultimately become complicit in his victory. And that's really hard to forgive.