Answer and Explanation:
1. If they arrived on time, Ponyboy and his brothers would not have fought and Ponyboy would not have run away and been involved in the fight that killed one of the Socs.
2. Ponyboy may have regretted having escaped because this escape caused many problems and difficulties. In addition, the whole fight involving Ponyboy and his brothers could have been avoided, preventing all these problems from occurring.
3. Johny does not regret running away with Ponyboy because he also needed to stay away from the Socs and was promoting support and company to Ponyboy, who needed a friendly shoulder.