Originally Posted by
cova
Depends on route and day/time. EWR to West Coast is hard for EUA. IAH-EWR also hard.
For longer haul flights - IAH to secondary cities are easier. ie. IAH-LAX is hard EUA, IAH-ONT is easier EUA.
Saturday nights are easier as well.
+1. I've had excellent luck with PHL-IAH-PHL.