Looks like Spirit is #5 out of 21 for most on-time flights, so, top 20%. https://www.reddit.com/r/charts/comments/1psiwws/us_airlines_ranked_from_best_to_worst

Looks like Spirit is #5 out of 21 for most on-time flights, so, top 20%. https://www.reddit.com/r/charts/comments/1psiwws/us_airlines_ranked_from_best_to_worst_for_ontime/ https://www.reddit.com/r/charts/comments/1psiwws/us_airlines...