FlightEra shows graphs of On Time Performance and Average Delay of specific flights on a monthly and yearly basis.
sample : https://www.flightera.net/delays/Air+India/AI101
Tickets.pl shows Punctuality rating for flights by an airline.
*Statistics on Tickets.pl are provided by FlightStats, Inc.
According to https://www.tsa.gov/travel/security-screening/whatcanibring/items/empty-water-bottle an empty water bottle is permitted in both carry on and checked luggage. There is no mention of any size restriction.
(Note: there’s no match when searching ‘water jug’ on the TSA site)