I guess if you add Christmas Aamir would go way up and SRK would come down a bit, as he has 2 unsuccessful movies on Christmas. Still, great track record for SRK, and so many of his movies had clashes as well.
Highest Eid grosser - Salman Khan starrer.
Highest Diwali grosser - Salman Khan starrer.
Highest Xmas grosser - Aamir Khan starrer.
Highest non holiday grosser (among Khans) - Salman Khan starrer.
Baap akhir BAAP hi hota hain!